Why do astronomers use astronomical units (AU) instead of kilometers (km)?(1 point) A There are no km in outer space, only AU.

B AU is used in astronomy, while km is used in physics.

C Large distances are easier to express in AU than in km.

D AU is used for spacing, while km is used for length.

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia