List three facts about glucose.

In what for do plants utilize nitrogen? why do they need nitrogen?

What was the land like over 500 million years ago? what was under the sea?

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.