T cells. When HIV arrives in the lymph nodes – around 24 to 48 hours after exposure – they activate other immune cells, such as CD4 t-cells, HIV's primary target.
A producer cannot make sugars in the absence of light, the correct option is A.
<h3>What are producers?</h3>
Producers, also known as autotrophs, are lifeforms that produce their own food.
They obtain energy from chemicals or the sun and transform it into usable energy in the form of sugar or food using water.
Plants and algae can produce their own food by harnessing solar energy. These organisms are referred to as producers because they generate their own food.
Thus, the correct option is A.
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Answer:
The fossils in the lower layers are older than the fossils in the upper layers.
Explanation:
Hello,
Here is your answer:
The proper answer to this question is "east".
Here is how:
When the wind blows from the south to the north the current of water will go to the east because of the direction of the air is blowing.
Your answer is east.
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Hope this helps!
Proteins are apart of this group