D. Water light and CO2 are needed for the process of photosynthesis.
Sound intensity is the intensity/volume of sound. Frequency is how high or low the sound is.
Answer:
Aa is the strongest gene because most people have that gene aa is rarer being that it has 2 non-dominate gene materials.
Explanation:
AA is common but rarer than Aa because it has 2 dominate gene materials
