Help me with this question plzz!​

When looking for updated and reliable information, you always need to point to scientific journals, magazines, encyclopedias, or textbooks recently printed or published. In the exposed example, the most reliable source is an article from a scientific journal.  

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When looking for updated and reliable information, you need to be careful with the source, authors, and publishment dates.

In general, scientific journals, magazines, encyclopedias, or textbooks are sources of reliable information. The material exposed on these sources has been previously checked and evaluated by a group of people trained and capable to do so. If your favorite magazine is not a scientific one, you should look for another source.

You also want to consider the authors. Some researchers are very well known, and their publications probably reflect years of investigation. By looking for these authors´ publications you will ensure a good source. You should use a blog written by a well-known author, but not a blog that is written by an anonymous one.

You also need to consider that your source should be recently printed or published. Science is very dynamic and continuously changes. Discoveries always replace old information. So when looking for a reliable source, you need to look for recent publications. A biology textbook from 1990, although it is a reliable source, it probably has old information.

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Answer:

[tex]4(x + 3) = 6(x + 1)[/tex]

Answer:i hope it's help you

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Explanation:

Tadpoles :                                                                                                                     1.Tadpoles have gills to aid breathing under water                                                         2.Tadpoles have tails and fins to help them swim                                                      3.Tadpoles have keratin like teeth called denticles                                                          4.Tadpoles live in water only                                                                                              5.Tadpoles have a two chambered heart                                                                           6.Tadpoles are herbivores                                                                                                 7.Tadpoles have a soft cartilage-like skull                                                                Frogs:                                                                                                                                      1.   Frogs have lungs to aid breathing under water                                                        2.Frogs have fore limbs (arms) and hind limbs (legs) to help them swim                      3.Frogs have tiny teeth on the upper and lower jaws                                                    4.Frogs live in both water and on land                                                                             5.Frogs have a three chambered heart                                                                                6.Frogs are carnivores                                                                                                         7.Frogs have a well-developed hardened skull

Answer:

White blood cells are an important part of the immune system. HIV infects and destroys certain white blood cells called CD4+ cells. If too many CD4+ cells are destroyed, the body can no longer defend itself against infection. The last stage of HIV infection is AIDS (acquired immunodeficiency syndrome).

Answer:

B-They contain genetic material.

Explanation:

They are not made out of cells. They don't reproduce by mitosis(Only cells reproduce by mitosis).

Only specialized plant cells contain chlorophyll.

They do have genetic material which could be DNA or RNA.

Answer:

it is D

Explanation:

The gasoline fuel used inside the car has inherent potential energy in its molecules. When the car is started, this potential energy will be converted to heat energy. The heat energy will then be used to carry out mechanical works in the engine of the car, this makes the car to move forward.

Answer:

ll and lll

Explanation:

I did the math

The characteristics that the study have in order for its results to be considered valid are:

Since Isabel is carrying out research and found an environmental study on the relationship between deforestation and local weather, it's important that the material should be valid in order to be accepted.

Therefore, to be valid, it should have the feature of an empirical observations and the outcomes should not change with new experimentation.

Empirical observations simply means the observations that are derived from experiments or based on experience.

In conclusion, the correct option is C.

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Answer:

when a cell creates hydrogen peroxide, it stores it inside the cell's specialized organelles, called peroxisomes, which contain hydrogen peroxide-busting catalase.

Explanation:

Hydrogen peroxide gets into the cell with the help of an enzyme called peroxide dismutase, which significantly catalyzes the process of dismutation of superoxide radicals in order to synthesize H2O2.

Hydrogen peroxide may be defined as a liquid chemical that typically contains hydrogen and oxygen and is generally utilized for bleaching and as an antiseptic.

Hydrogen peroxide is consistently produced in the cell and then stored in the organelle known as the peroxisome. The cells then eliminate the excess amount of hydrogen peroxide (H2O2) with the action of an enzyme called catalase. And gest dissociates into the water (H2O) and molecular oxygen (O2).

Therefore, the process of production and digestion of hydrogen peroxide in the cell is well described above.

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Answer:

true

Explanation:

Doctors (or scientists) usually use this to make sure people aren't lying about the experience.

For example, some people might expect that if they take ibuprofen or Tylenol, they won't feel as much pain, so they might make themselves believe that they aren't feeling said pain. If you use a placebo group, you are less likely to have situations like that occur, and so your data becomes more accurate.

While eukaryotic cells have a membrane-bound nucleus, prokaryotic cells do not.

hope this helps:)

Answer:

option D is the correct answer

Answer:

D

Explanation:

Answer:

Acid mine drainage kills plants and animals

Explanation:

took the quiz :)

The correct answer as to the environmental consequence of using blasting to separate wastes from mineral deposit is noise pollution. The statement that best describe the process, therefore, would be that underground mining activities often cause noise pollution.

Blasting simply means to break something apart or to blow up something. When blasting is associated with mining, it usually involves the use of explosives. These explosives make loud noise when they are used in blasting.

Hence, blasting can be said to be a source of noise pollution to those staying close to the mining area.

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Answer: unconscious bias

Explanation:

Answer:

The tendency to reject new evidence or new knowledge because it contradicts establish norms, beliefs or paradigm

Answer:

Probiotics are made up of good bacteria that helps keep your body healthy and working well. This good bacteria helps you in many ways, including fighting off bad bacteria when you have too much of it, helping you feel better. Probiotics are part of a larger picture concerning bacteria and your body (your microbiome).

Explanation:

Answer:

1) 1000000g

2) 62 cm

3) 8.7535 daL

4) 8.5 L

5) 0.825 m

6) 8.54e-7 kL

7) 1000000mg

8) 85.4578 km

Answer:

Darwin's experience as a naturalist aboard the H.M.S. Beagle exposed him to the many living organisms distributed throughout South America. ... From these observations, Darwin determined that species did not arise independently; rather species are descendents of other species.

Explanation:

Answer:

A DNA barcode is a short, standard gene segment of an organism that has been identified in a gene bank, used to identify unknown species by comparison with the DNA sequence of the gene bank. .

Answer:

Liver is the largest gland in human body.

Answer:

A..... science can answer all questions

Explanation:

science can answer all questions

Answer:

please mark me brainliest

Explanation:

Know locations of laboratory safety showers, eyewashstations, and fire extinguishers. ...

Know emergency exit routes.

Avoid skin and eye contact with all chemicals.

Minimize all chemical exposures.

No horseplay will be tolerated.

Assume that all chemicals of unknown toxicity are highly toxic.

Answer:

Rule #1 - WALK

Rule #2 - PROPER LAB ATTIRE

Rule #3 - HANDLING CHEMICALS

Rule #4 - HANDLING EQUIPMENT

Rule #5 - BROKEN GLASS

Rule #6 - EYE WASH/SHOWER

Rule #7 - FIRE SAFETY

Rule #8 - EATING/DRINKING IN LAB

Rule #9 - CLEANING UP

Rule #10 - HAND WASHING

Explanation:

For something to be alive, it has to have essential characteristics. Some non-living elements share some of these characteristics with living things, but not all of them. That is what distinguishes one from the other.

The characteristics that all living things have are:

organization; sensitivity; growth; reproduction; homeostasis; and metabolism.

As regards organization, the minimum unit of life is the cell. For something to be a living thing, it has to be a cell or have multiple cells. They have organelles and organize to perform different actions.

The following characteristic is sensitivity, which means that the thing has to react to a stimulus by giving a response.

Living things grow. In other words, they increase in size thanks to the elements that they take from the exterior and process them taking what they need to grow. To do so, they use metabolism.

Metabolism is the combination of catabolism( the elements that the organism destroys) and anabolism( the elements that the organism builds). Metabolism is also essential for homeostasis. These are the different reactions that an organism has to have a balance.

The last essential characteristic is reproduction. Living things have to reproduce themselves, there are different methods, and they depend on the type of living thing that they are.

In conclusion, fire is not a living thing because it does not have cells that can have metabolism, sensitivity, homeostasis, and it can not reproduce itself.

A living thing has six main characteristics:

Even though the fire seems like a living thing because it is consuming wood, making noises, and moving, as many living things do, it is not alive because it does not have cells. As it does not have cells, it can not have homeostasis, react to stimuli, or grow as cells do. It might look like a living thing, but it is not since it does not have the six characteristics that every living thing has.

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Nitrogen-fixing bacteria living in the roots of legumes to absorb sugars from them is an example of mutualism. The correct option is D.

Mutualism is an interaction between two organisms, in which both organism live together and help each other. In an ecosystem, different organisms live together as they affect the life of each other.

Nitrogen-fixing bacteria are the bacteria that are present in the roots of legume plants, like cereal plants. They convert the nitrogen of the environment into nitrate in the soils.

So, living in the roots of the legume plants, they get nutrition from the roots, and they give atmospheric nitrogen to the soil, which increases the nutrition of the soil and the plants.

Thus, the correct option is D. Mutualism.

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Answer:

Earthquake cause a massive impact like cracking the grounds and creating a big change in the map and the world

Answer:

Relationship of political aspect with health, population and environment: Political aspect includes the policies formulated by different administrative sectors and government. The population policies, health policies and environment policies are approved in the parliament.

Explanation: