If an alien is 50 light years away from the Earth, watching Earth through a very strong telescope, when will he be able to see the events that happened today, through his telescope? Why did you choose that date??

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

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?

What is the next step in muscle contraction after the actin changes shape? (apex)