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
cluponka [151]
4 years ago
14

4. What is the greatest contributor to air pollution in the United States? A. power plants B. factories C. burning waste D. auto

mobiles
Biology
1 answer:
jeyben [28]4 years ago
5 0

the answer is D. Automobiles

You might be interested in
__________ are surroundings with high levels of exposure to industrial chemicals.
garik1379 [7]

Answer:

E)

Toxic environments

Explanation:

HOPE IT HELPS YOU

6 0
3 years ago
Read 2 more answers
What enables Dna to have so many variations with only 4 chemicals?
Kay [80]
The different amino acids can code with each other making many different results. even though there are only 4 chemicals, the amount of different links they can make means that they have more than 4variations
5 0
3 years ago
Explain how cells in your body benefit from having different systems work together
sasho [114]
Cells in your body work together, they form bones, and muscles. Cells, however cannot work alone, they must be able to work together. Each cell does a different thing.
3 0
3 years ago
Read 2 more answers
The fastest moving seismic wave
Andru [333]

Answer: the answer is A(Primary Waves)

Explanation:

p waves stand for primary waves. early seismologists called them that because the waves were the first to arrive at seismometers from some distant quake

Hope this helps plz give me an brainiest

4 0
3 years ago
What ion movement changes the membrane potential in a contractile cell from negative to positive during the rapid depolarization
Lesechka [4]

Answer:

The influx of calcium ions.

Explanation:

The influx of calcium ions at a certain point produces phase of the action potential also called depolarization which results in the ion movement changes the membrane potential from negative to positive inside the cell.

In action potential, calcium ions may control gene transcription, cell excitability, and neurotransmitter release. In chemical synapses, the influx of calcium ions leads to vesicles filled with neurotransmitters move to the surface of the cell, and into the synaptic cleft release their contents.

8 0
3 years ago
Other questions:
  • Ions that are made of more than one atom are called
    11·2 answers
  • You are a pelican searching for fish in the ocean from high in the sky. although you see no tasty fish in the open ocean, you so
    11·1 answer
  • I need help please :(
    8·2 answers
  • What is a heart murmur?
    12·1 answer
  • When does a polypeptide chain stop forming?
    13·2 answers
  • What is the answer to this question?
    8·2 answers
  • Is it just me or is someone else’s Brainly app not letting them watch the adds ?
    6·2 answers
  • 14. In one to two sentences, what are some ways to mitigate climate change?<br> altruistic behavior
    5·1 answer
  • Explain the process that takes place in the stroma including the reactants going in in the products prop do used from these proc
    12·1 answer
  • Give away fast fast fast please helping beginners​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!