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Crank
3 years ago
8

A Punnett square is a tool used to Group of answer choices

Biology
1 answer:
kifflom [539]3 years ago
3 0

Answer: a

Explanation:

A punnet square is used to determine which genes are the strongest

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It is what you do when you eat. Unscramble these letters to find the answer. Ellgist
dexar [7]
What it is , you do when you eat




Im not even sure



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3 years ago
Explain how increased CO2 in the atmosphere results in greater acidification of oceans and describe the effect on marine organis
marishachu [46]

Answer:

When carbondioxide gas is emitted from vehicles and industries and goes upward in the atmosphere. The carbondioxide gas combines with the rain water forming an acid called carbonic acid and make the rain acidic.

When rainfall occurs this acid comes to the ground and ocean and adversely affected the living organisms due to acidic nature. The marine animal's body comprise of shell and skeleton. This skeleton and shell are made from calcium, when acidification of ocean water occurs, the calcium dissolved and the body of animals are destroyed.

8 0
3 years ago
state what will happen to the shadow if the opaque object is moved closer to the screen and away from flash light ​
mars1129 [50]

Answer:

Objects able to block all the light are called opaque and will form a shadow. ... The closer an object is to the light source, the larger the shadow it casts. This is because an object closer to the source will block a larger area of the light, increasing its shadow size.

Explanation:

8 0
3 years ago
What dangerous environmental side effect increases because of human produced carbon dioxide?
vladimir1956 [14]
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"What are the bacteria living in the ocean that do the nitrogen fixation, and were the first photosynthesizers on Earth providin
Bogdan [553]

Answer:

Cyanobacteria

Explanation:

Cyanobacteria were the first photosynthetic autotrophs that used water molecules as the source of electrons. Cyanobacteria were the first autotrophs that performed oxygenic photosynthesis and carried out the splitting of water.  

The process of splitting water released oxygen as a gas (O2) which was released in the atmosphere of the earth as a by-product. This led to the accumulation of oxygen in the atmosphere. Some cyanobacteria can fix nitrogen and have specialized cells called heterocyst which serve as the site for nitrogen fixation.  

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