How are rivers and streams able
to keep algae from growing?



Plz help

Answer:

d. cellular respiration

Explanation:

mitochondria is where cellular respiration occurs, and photosynthesis occurs in the chloroplast, so d would be the most reasonable answer.

Answer:

The guiding principle of radiation safety is “ALARA”. ALARA stands for “as low as reasonably achievable”.

Answer:

b. two continental plates converse

Answer:

Australia

Explanation:

Fossils are preserved remains (or mouldings) of ancient living things which are preserved in sedimentary rocks. Primate fossils are generally found along with other fossils, usually in ancient soils that contain information on the conditions under which they were formed. Primate fossils are generally found in tropical and subtropical regions (which represent the natural habitat in which these species live). Primates never lived in Australia, and therefore no fossil primates from this geographic area have been found.

Answer:

molecule

wound

Explanation:

DNA is the chemical name for molecule. The strands wind together and form a double helix.

Biomagnification refers to the presence of higher concentration of chemical toxins as a result of the accumulation of toxins in organisms.

Biomagnification is best explained as a condition in which the chemical concentration of a toxin is amplified in an organism compared to the environment in which the organism is found.

Biomagnification usually is observed as one goes higher in the trophic levels of organisms.

For example, chemical pollutant found in water may be present at tolerable levels. However, in organisms, living in the water, the concentration of the pollutant is higher as these organisms accumulate these toxins in their tissues.

Therefore, biomagnification refers to the accumulation of toxins in organisms higher than found in their environment.

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Haemopoiesis is from greek meaning “ to make. new blood” •

Explanation:

It refers to the formation of blood cellular. components.

Answer:

3. All the species that live in a habitat.

A community is where all the species live in a habitat. Hence the correct option is 1.

A community is an ecological term that encompasses all the different species of organisms that coexist and interact within a specific habitat or geographic area. It includes plants, animals, fungi, and microorganisms that share the same environment and form intricate ecological relationships with each other.

These relationships can be competitive, predatory, symbiotic, or other forms of interactions that influence the dynamics and structure of the community. Understanding the composition and interactions within a community is vital in studying the biodiversity, ecosystem functioning, and overall health of a given habitat.

Hence the correct option is 1.

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Answer:

very different than ducks do u want it is not the

Answer:

i really really need the brainly points

Explanation:

sry for this answer, i need the answers for myself

Answer:

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Answer:

Produces energy for the cell by respiration

Explanation:

The glucose obtained from food is broken down to pyruvic acid in the cytoplasm. This pyruvic acid is broken down into oxygen, water and energy rich ATP molecules in the Mitochondria.

Answer:

we dont know sorry but i dont know

Explanation:

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Answer:

For every 100ml of deoxygenated blood delivers approximately __4___ml of CO2 to the alveoli.

Answer:

4ml

Explanation:

For every 100ml of deoxygenated blood delivers approximately 4 ml of CO2 to the alveoli.

Answer:

wild animals collectively; the native fauna (and sometimes flora) of a region.

Explanation:

I hope this helped :)

Answer:

if a special effects artist mixes two different liquids in a bowl and they both are too white !

after heats those liquids

its forms curd like substance

its either will be white, its can increase its colour as darkish white or lightly yellowishblack

when she heats the bowl, a new compound forms and it will be white before heating and after heating it may be white or other dark color.

A compound composed up of two or more elements which are chemically combined with a fixed proportion by their mass.

For example, Water, Sodium Chloride,  Ammonium Chloride etc.

They have fixed melting and  boiling points.

Formation of compound is a change in chemical reaction and the components of compound are mixed in a fixed proportion.

Two major types of compounds are covalent and ionic compounds.

Covalent compounds refers to formation of covalent bond among two nonmetals, like water or methane. These molecules are neutral and weak.

When metal react with non metal it form Ionic compounds, are held together by opposite charges, so the bond is stronger than covalent compound.

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Answer:

Option A

Explanation:

Answer:

Insulin helps control blood glucose levels by signaling the liver and muscle and fat cells to take in glucose from the blood. Insulin therefore helps cells to take in glucose to be used for energy. If the body has sufficient energy, insulin signals the liver to take up glucose and store it as glycogen.

Explanation:

Answer:

12 gray , 3 black, 1 brown

Explanation:

If Q allele of a gene on a separate chromosomes is epistatic to the B (black) and b (brown) color alleles, in cross between two animals with genotypes BbQq produces 12 gray coat color, 3 black coat color and 1 brown coat color animals.

                                        BbQq      x      BbQq

                                   Gray coat        Gray coat

                   BQ                  Bq                 bQ                 bq

   BQ    BBQQ(gray)  BBQq(gray)   BbQQ(gray)   BbQq(gray)

   Bq     BBQq(gray)   BBqq(Black)  BbQq(gray)   Bbqq(Black)

   bQ     BbQQ(gray)  BbQq(gray)   bbQQ(gray)   bbQq(gray)

   bq     BbQq(Gray)   Bbqq(Black)  bbQq(gray)    bbqq(brown)

So the phenotypic ratio is  Gray : Black : Brown

                                        =      12  :      3   :      1

Answer:

lack of oxygen in the water

Explanation:

The fish most likely died from lack of oxygen in the water. This is because fishes actually use their gills to extract and breathe in the oxygen from the water while also expelling carbon dioxide from their lungs. Similar to how humans breathe. When the water was boiled it caused the dissolved gases to be expelled, which includes oxygen. Therefore, without the necessary oxygen in the water, the fish ultimately suffocated.

Boiling the water reduce its amount of dissolved oxygen which is needed by the fish to breathe, that's why the fish died after few minutes.

Dissolved oxygen is the amount of oxygen present in the water.

The organisms live to consume dissolved oxygen to breathe.

The amount of dissolved oxygen is high in the current water like rivers than in the still water like pond.

If the amount of DO is high in the water, it causes bubble gas disease in the aquatic organisms.

If the amount of DO is low in the water than, fishes and other aquatic organism cant survive due to low oxygen level.

Thus, boiling the water reduce its amount of dissolved oxygen which is needed by the fish to breathe, that's why the fish died after few minutes.

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Answer:

always active  

Explanation:

Phosphorylation is a posttranslational modification that consists of the addition of phosphate groups to specific amino acids on the protein. Phosphorylation acts as a molecular switch for proteins that are phosphorylated (i.e., in some situations phosphorylation acts to activate protein function, whereas in other situations phosphorylation can inactivate protein function). Phosphorylation modifies the three-dimensional structure of the protein, thereby affecting, for example, the accessibility of the active site of a phosphorylated enzyme to its substrate. Phosphorylation can occur only at the side chains of three amino acids: Serine, Threonine and Tyrosine. In this case, the enzyme is inactivated by phosphorylation on the Threonine residue, so it is expected that the mutant enzyme cannot be phosphorylated, remaining in an active state.

Answer:

Vitamins and minerals are considered essential nutrients—because acting in concert, they perform hundreds of roles in the body. They help shore up bones, heal wounds, and bolster your immune system. They also convert food into energy, and repair cellular damage.

Answer:

Because that can destroy the helpful enzymes in the body, and therefore cause a lot of problems or maybe cause death

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The answer is...

C. Cell.

Hopefully, this helps you!!

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Answer:

For geological carbon sequestration, the reaction of aqueous CO2 with silicate rock permits carbonate formation, achieving permanent carbon sequestration.A

Explanation:

Answer:

Explanation:

Carbon dioxide