An astronomer observes the light of a galaxy that is 600 million light-years away. How old is the light? 1 year old

10 years old

50 million years old

600 million years old

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

How far away is the nearest black hole from earth?