Answer:
b
Explanation:
A pure substance has a constant composition and cannot be separated into simpler substances by physical means. There are two types of pure substances: elements and compounds.
Answer: Atoms are single neutral particles, and an ion is a positively or negatively charged particle.
Explanation:
I think the answer is c since the it’s looking at NW, the wind is coming from SE
Answer:Matter is defined as anything that has mass and takes up space (it has volume). ... Volume is the amount of space something occupies. Words such as big, little, long, or short are used to describe volumes.
Explanation:
Answer:
es nutricionista el experto en esa area