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
Mila [183]
3 years ago
15

Help science!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Chemistry
1 answer:
goldfiish [28.3K]3 years ago
7 0
All plants and animals need nitrogen<span> to make amino acids, proteins and DNA, but the </span>nitrogen<span> in the atmosphere is not in a form that they can use.</span>
You might be interested in
A(n) __________ is all the living and nonliving things in a particular area that interact with one another.
Virty [35]

Answer:

ecosystem

Explanation:

4 0
2 years ago
Read 2 more answers
I need help doing this please. It’s an image
Ne4ueva [31]

Answer:

k+

Ba2+

Al3+

K+

S2-

you may think that if it has a + it would be bigger, but it is actually the opposite.

5 0
3 years ago
Write a question about how changing temperature affects a gas.
UNO [17]
Which property of gas affects the gas by change in that property ?
7 0
3 years ago
Read 2 more answers
How does the size of a nanoparticle compare with the size of an atom?
RSB [31]
A nanoparticle is larger than an atom. A nanoparticle is usually made from a few hundred atoms. These  particles range from 1 nanometers to 100 nanometers. On the other hand an atom ranges from 0.1 nanometers to 105 nanometers. Using the sizes above, one can clearly see and understand that an atom is smaller. 
6 0
3 years ago
Which statement describes how heat is transferred by convection?
fredd [130]

Answer:

i think it will be warm air rises and takes heat with it eventually it cools and sinks

Explanation:

please mark me as brainliest if it helps

7 0
3 years ago
Other questions:
  • The charge of single electron
    5·1 answer
  • Heat flow is the ________of energy from a waemer object to a cooler one. whats the blank??​
    9·1 answer
  • The atomic mass of titanium is 47.88 atomic mass units. This atomic mass represents the
    5·1 answer
  • How do i make a friend?
    5·2 answers
  • What is produced when a base reacts with water?
    13·1 answer
  • A student is told that both energy and mass must be conserved in every chemical reaction. She measures the mass of Hydrochloric
    8·2 answers
  • consider the letters in the word chemistry. use them to make as many word " compounds " as is possible with 9 elements.
    6·2 answers
  • A wooden block has a mass of 562 g and a volume of 72 cm3. What is the density rounded to the nearest tenth!
    13·2 answers
  • Precautions to take during electroplating
    13·1 answer
  • If a force of 1.4N is applied to a block with a mass of 7kg, what is the acceleration of the block in meters per second squared?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!