Answer:
B. refraction
Explanation: hope this helps!
Answer:yes of course if we don’t the environment will die and undiscovered animals will become extinct and we can’t discover them till it’s too late and those polar bears are on thin ice and it’s not fair to them that they have to suffer for our choices
Explanation:
Keratin is an intracellular fibrous protein that gives hair, nails, and skin their hardness, strength, and water-resistant properties. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from the deeper layers
Hope this helped!
Good luck :p
~Emmy <3
Biosphere- where living things exist
hydro- referring to just the water
geosphere-referring to entire thing
atmosphere- the gases in the air
Answer:
I think it was Thomas Hunt Morgan
