Estimate the change in the thermal energy of water in a pond with a mass 1,000 kg and a specific heat of 4,200 J/(kg°C) if the water cools by 1°C

Structures in cells that carry out specific functions.

If a set of instructions that determines all of the charactersitics of an organism is comparedto a book,and a chromosme is compared to chaper in the book,then what might be compared to a paragraph in the book?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?