Answer:
D. 12cm
Explanation:
there are 8 A1, C1 and so on alleles there, this will be 8 cm and there are about 8 a2 and so on alleles, this will be 4cm.
8 + 4 = 12cm
Receptors detect changes in the environment. For a stimulus to elicit a response, certain cells must have an appropriate receptor. Stimulation of the receptor initiates a specific signal pathway.
These are called igneous rocks due to them being made from lava from an volcanoe eruption,
Answer:
c less water vapor in the atmosphere