A pig needs food, water, and shelter. Like humans:)
Answer:
B: Freshwater biomes are a vital source of drinking water.
Explanation:
It's not A because oceans are part of marine biomes, and oceans contain 97% of the Earth's water and covers 71% of the Earth's surface.
It's not C because marine biomes supplies more oxygen than freshwater biomes. Marine algae supply much of the world's oxygen supply, and they take in a huge amount of atmospheric carbon dioxide.
It's not D because freshwater biomes include streams, rivers, ponds, and lakes. Aquatic biomes include oceans, coral reefs, and estuaries.
It's B because freshwater biomes are very important to our survival because they supply people with more than half of their drinking water.
For Chlorine, CI
The protons and electrons will be the same except Protons will be + positive and electrons will be - negative so your answers are 17 and -17
neutrons is 18
atomic number 17
Atomic mass: 35.453
For sodium, Na
The protons and electrons will be the same except Protons will be + positive and electrons will be - negative your answers are 11 and -11
neutrons : 12
atomic number: 11
Atomic mass: 22.9897
hope this helps good luck
<span>d.both male and female reproductive parts.</span>
Explanation:
plant cells are large but not animal cell
plant cells have large vacuole but not in animal cells
plant cells have a cell wall but animals cells haven't