What do scientists know about the future of the universe? Select three options. That dark matter exists what dark matter is made of why the expansion of the universe is accelerating that invisible matter must be influencing the rotation of galaxies that galaxies spin faster than they should based on visible matter.

Look at the picture below . what does this picture represent ?

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells