In the northern hemisphere, why is it warmer in july than january? a. the maximum solar intensity is greater in july. b. the days are longer in july. c. the northern hemisphere is tilted towards the sun in july. d. all of the above.

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

What is the relation ship between structure and function in an organism

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?