1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
inysia [295]
3 years ago
12

Why does the earth have different layers?

Biology
1 answer:
Rudik [331]3 years ago
4 0

Explanation:

because at is formed,the lighter part floats on the surface and the really heavy part (like iron and nickel in the core)sank to the middle

You might be interested in
How does an insect species become resistant to an insecticide?
Ivenika [448]

Answer:

I believe you just answered it yourself. they development an immunity to insecticides the more they are exposed to it.

8 0
3 years ago
All cells contain DNA, which provides information for the cells to make
Anit [1.1K]
It is for the cells to make protein.
4 0
3 years ago
Read 2 more answers
On Florida's beaches, what plant plays a vital role in the development of sand dunes? sea grapes beach sunflower sea oats saw pa
andrew11 [14]
Answer - sea oats

Sea oats play a vital role in the development of sand dunes. The structure of their leaves and roots help in the trapping of the wind blown sand, promoting the growth of sand dunes and their stabilization. Sea oat plantation is encouraged in coastal areas to protect damage from heavy winds and high tide.
7 0
3 years ago
Which stage represents the climax community
castortr0y [4]

Explanation:

climax community refers to a stable ecosystem in its final stage of ecological succession. Succession is when one community of plants and animals replaces another in an ecosystem. In a climax community, the plants and animals are in balance with each other and their environment.

8 0
2 years ago
What is the source of energy for all cycles in an ecosystem ?
jekas [21]
That would be the sun. Hope this helps.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which cannot take place during a chemical reaction?
    8·1 answer
  • The larva of a frog is a tadpole.<br><br> true or false
    13·2 answers
  • You exercise at home every day by running around the block. you know that the distance around the block is equal to 3000 feet.
    8·1 answer
  • What types of features would be visible if the oceans were drained?
    7·1 answer
  • The graphs below illustrate change in a lizard population over time. Which process most likely led to the change in the lizard p
    8·2 answers
  • Penicillin is an antibiotic that was discovered in 1928. Today, many species of bacteria have acquired resistance to penicillin.
    15·2 answers
  • What is one condition that must be met for a population to be in genetic equilibrium?
    9·1 answer
  • What is the most likely effect of freshwater pollution?
    12·1 answer
  • Help please!!! :( 10 POINTS
    14·1 answer
  • What is the role of each<br> cell part and<br> biomolecule during<br> DNA replication?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!