1pt Steven wanted to know which of his new rocks in his rock collection contain iron. How can he determine this through chemical weathering?
O A. Place the rocks in a vacuum sealed environment.
O B. Put the rocks in acid and see how quickly they break down.
O C. Lay the rocks together outside and see if they rust.
OD. Break off a piece of each rock and observe the pieces under a microscope.

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

*drag each tile to the correct location in the sequence* the table shows chronological events in the life of our sun, a medium-sized star. place the missing events into the correct rows of the table.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.