Which of the following organisms likely have the most similar chromosomes?
A humans and frogs
B. birds and lions
C. humans and apes

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Two critical interventions to turn around the opioid crises are:

All organisms contribute some water to the water cycle by conducting