Answer:
2, 3, 4 should all work although possible 1 as well
Explanation:
honestly any non petroleum and coal energys ource helps pH of water
<span>Uno vive en tierra seca y cálida, por lo que realmente no necesitan agua donde los animales del bosque necesitan agua más que los animales en el desierto.</span>
B is the answer and I hopes this helps
Answer: B
Explanation:
The T helper cell needs to acttivate the T cyctotoxic cell in order for the Tc cell to go do its work.
Once the TC cell is active it interacts with MHC-1 proteins on the surface of the infected host cell, this allows the Tc cell to recignise the host cell and begin secreting cytotoxins (perforins and granzymes) in order to degrade the infected cell and cause apoptosis (controlled cell death)
Answer:
Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light. Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.
Explanation:
hope this helps!