Some solar flares send out high-energy particles. Why are these particles not usually harmful to humans on Earth?
A. the Moon protects Earth
B. The oceans protect Earth
C. the atmosphere and magnetic field protect Earth
D. the auroras protect Earth

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex