Our solar system is made up of the Sun and the astronomical bodies that orbit it. But you may be surprised to learn that all the planets and nearly every asteroid in the solar system orbit the Sun in the same plane and in the same
direction. They all move counterclockwise, if viewed from above Earth's North Pole. What do you think caused this
phenomenon?

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?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

What is the role of dna ligase in the elongation of the lagging strand during dna replication?