Answer:
earth has a size of 6,371 km wich is greater than mars size 3,389.5 km
Explanation:
Use blue litmus paper. This is an indicator that can safely determine whether it is a base or an acid by changing color in response to the substance. This color indicates whether it is an acid or a base. Refer to the pH scale to see if the substance is basic or acidic.
Answer:
I think its C a scientific journal article
Explanation:
Any kind of journal is considered a primary source because journals contain info that the original author wrote. Encyclopedias are considered teritary sources, but im not sure if that counts ...so id go with journals.
Answer:
blurred an pic mo paki ayos
Answer:
It is a material by chemically bonding two or more chemical elements
