What is the most likely effect a decrease of plant life in the biosphere would have on the atmosphere?
a.
a decrease in plant life would have no effect on the atmosphere.
b.
a decrease in plant life would cause carbon dioxide levels to increase and oxygen levels to decrease.
c.
a decrease in plant life would cause carbon dioxide levels to decrease and oxygen levels to increase.
d.
a decrease in plant life would cause an increase in all gases in the atmosphere.

What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.

Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria

In the united states there are many types of rabbits. four different species have four different ranges or habitats. in which range would developing white fur in winter most likely not be an advantage?