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
ipn [44]
3 years ago
6

Why are iron meteorites the core of asteroids?

Biology
1 answer:
Anvisha [2.4K]3 years ago
8 0

Answer:

They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.

Explanation:

Hope this helps luv

You might be interested in
Estimate how many calories a <br> person burns from physical activity.
IgorLugansk [536]

Answer:

For men: 66 + (6.2 x weight) + (12.7 x height) – (6.76 x age)

For women: 655.1 + (4.35 x weight) + (4.7 x height) – (4.7 x age)

Explanation:

3 0
3 years ago
Read 2 more answers
How to clone a gene?
Flauer [41]

Answer:

Cut open the plasmid and "paste" in the gene. This process relies on restriction enzymes (which cut DNA) and DNA ligase (which joins DNA).

Insert the plasmid into bacteria. Use antibiotic selection to identify the bacteria that took up the plasmid.

Grow up lots of plasmid-carrying bacteria and use them as "factories" to make the protein. Harvest the protein from the bacteria and purify it.

Explanation:

5 0
3 years ago
What muscles are not under voluntary control?
KatRina [158]

Answer:

I believe the answer is d

4 0
4 years ago
What is the purpose of the pericardial sac that surrounds the heart in mammals
Nitella [24]

Answer:

Pericardial sac has protective tole

Explanation:

Pericardial sac or pericardium is a fibrous tissue that surrounds the heart. It has two coats:

  1. the outter coat-parietal pericardium
  2. the inner coat-visceral pericardium or epicardium which is double-layered and contains pericardial fluid between those two layers (pericardial fluid is necessary as a lubricant for the heart movement).

Besides lubrication, percardium also protects heart from infections, fixes it and limits its movements.

6 0
3 years ago
Natural selection ___.
Afina-wow [57]
The answer is A) prepares organisms for future changes in the environment
6 0
3 years ago
Other questions:
  • Mr. Torres interacts positively with his students. Which statement describes the BEST evidence to support this?
    9·2 answers
  • Justyn<br> 4. What is the monomer for the lipid polymer?*<br> Enter your answer
    9·1 answer
  • The roles of the nurse in working with clients and families include which of the following?
    5·1 answer
  • Question 5
    10·1 answer
  • A long time ago, farmers discovered that if they grow the same
    11·1 answer
  • Global climate has changed in the past due to 1. __ and 2. __
    10·2 answers
  • Can someone please help me with my science research I kind of need help in a few things that I listed, I’m currently working on
    6·1 answer
  • Mitosis creates what types of cells?
    14·1 answer
  • According to the Genetic Code Chart which of the following Amino acid sequences corresponds to this mRNA strand?
    7·1 answer
  • A DNA segment is changed from AAT TAG AAA to ATT AGA AA. What type of mutation would<br> this be?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!