Which of these statements is true about autotrophs, but not heterotrophs?

Question

anonymous · Answer

what are the statements?

anonymous · Answer

They use sugar and oxygen to make carbon dioxide and water.

They use chlorophyll and oxygen to make carbon dioxide and water.

They use sunlight, water, and carbon dioxide to make sugars.

They use sunlight, water, and oxygen to make chlorophyll.

anonymous · Answer

number 2

anonymous · Answer

thanks   In algae and plants, photosynthesis happens in the
vacuoles.

mitochondria.

chloroplasts.

chromosomes

anonymous · Answer

midocandria

anonymous · Answer

Sheela wants to make a computer model of a land ecosystem. Part of her model simulates the chemical processes of photosynthesis that involve the creation of sugars. Which chemical processs are these?
the light-dependent reactions

the light-independent reactions

the dark reactions

the reactions in the mitochondria

anonymous · Answer

number 1

anonymous · Answer

The chemical equation of photosynthesis includes 6O2. What does the small number after the O represent? the total atomic weight of the oxygen

the number of oxygen molecules produced      

the number of oxygen atoms in each oxygen molecule

the number of oxygen atoms needed to balance the equation

anonymous · Answer

not shure

anonymous · Answer

i think for the first one its 3.

anonymous · Answer

The answer cant be 2, because water is made from hydrogen and oxygen.

anonymous · Answer

(for the first question you asked, i dont want you to get confused.)

anonymous · Answer

For the second question you asked the answer is, chloroplasts.

anonymous · Answer

The third question you asked is light-dependent reactions

anonymous · Answer

And for the last one you asked the answer is the number of oxygen atoms in each oxygen molecule.