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

The third one,
Autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy. Plants also use glucose to make cellulose, a substance they use to grow and build cell walls.

Spherical shaped cell might increase the surface area and decrease the volume.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11