one of the most common energy sources used by bacteria is glucose. why is glucose such a good source of energy for bacteria?

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.