What is 90% of the biological stuff in soil?

How do antiviral drugs work? in your own words.

Which layer will become saturated first when rain falls?

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse