Thermal energy tends to flow as heat
a. from a system of higher energy to a system of lower energy
b. only between systems that have equal energy
c. only between systems that have equal temperatures
d. from a system of lower energy to a system of higher energy

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

What are similarities and differences between refraction, reflection, diffraction and absorption?

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided