Which biological molecule is necessary in the process described in the passage? a. Hormones
b. Enzymes
c. Gametes
d. Ribosomes

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

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.

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next