What do pathologist do to determine the age of rocks

What is the single most abundant compound in living organisms? A. sugar B. carbon C. fat D. water

Poem about layers of the atmosphere

Consider a food chain with 1,000 joules (an energy unit) available at the producer level. If this food chain is grass - > grasshopper - > lizard - > crow, how much energy is found at the level of the crow?

A study was done to see whether a smaller dose of flu vaccine could be used successfully. in this study, the usual amount of vaccine was injected into half the patients, and the other half of the patients had only a small amount of vaccine injected.

What are two methods of active transport.

Explain the difference between self pollination and cross pollination

Where do you think this heat lamp is being used?

Battery disposal is a disadvantage of which form of energy?

If a cell has 4 pairs of chromosomes, after mitosis each daughter cell will have how many chromosomes?

Which two families of flowering plants provide protein for the majority of humans?