Which of the following about the biosphere is true?
a.
it only interacts with the atmosphere.
b.
it includes oceans, lakes, rivers, and groundwater
c.
it can be considered a global ecosystem.
d.
it includes the core, mantle, and crust.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Which chemical equation is unbalanced? which chemical equation is unbalanced

In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis