Answer:
im pretty sure its b. sand and iron
ik that magnetism easily separates iron
The answer to your question is,
C. Look over their answers to the lab questions and check for errors.
-Mabel <3
Answer: 4000000000
because 20X200000000=4000000000
Answer:
One way is through fossil fuels. When people burn fossil fuels it enters the atmosphere as carbon dioxide gas. Another way is through animals. Most animals exhale carbon dioxide as a waste product which gets into the atmosphere.
