Pleeaaasseee
what is the tropopause?
1.the boundary between the troposphere and the ionosphere
2.the boundary between the troposphere and the stratosphere
3.the boundary between the troposphere and the exosphere
4.the boundary between the troposphere and the mesosphere

How water is moving through the ecosystem ?

In general, did the simulated mice align with your predictions from the punnett squares? yes or no?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.