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Alex Ar [27]
3 years ago
10

Burning of fossil fuels has changed the atmosphere by

Biology
2 answers:
Ad libitum [116K]3 years ago
6 0
I guess it is increasing concentration of carbon
producing a hole on ozone is because of the Freon in air conditioners and i guess all the others are wrong <span />
vagabundo [1.1K]3 years ago
6 0
C) increasing the concentration of carbon dioxide.
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Why do we want to test one variable at a time? a. Because it is hard to setup a data table with more b. It is what has always be
saw5 [17]

Answer:

C

Explanation:

If you have more than one variable then you wont know which variable caused the change. Hope this helped, if it did give it a thanks or whatever.

7 0
3 years ago
A chemical mutagen that is structurally similar to a nucleotide but has different base-pairing rules is called a ________.
OLga [1]

Answer:

Nucleoside analog

Explanation:

  • Nucleoside analogs are the mutagenic chemicals that have a structure that is similar to the normal bases of the nucleotide and thus can be incorporated in the DNA during the process of replication, however as it has different base-pairing rules than the normal nucleotide base it can lead to mutations.
  • An example of a nucleoside analog is acyclovir which an analog of guanosine. 
3 0
3 years ago
As pressure _____, volume of an object tends to ______
AlekseyPX

Answer:

As pressure increases, volume of an object tends to decrease.

Explanation:

6 0
2 years ago
Which characteristic do all protists have?
myrzilka [38]

Answer: They all survive in any environment.

Explanation: Protists have the ability to survive in any environment, even extreme environment. They can live in the ocean, desert or extremely hot environment, or even a extremely cold environment.

I'll explain why the others aren't correct.

Protists can be both unicellular and multicellular, they're not always unicellular. Kingdom Protista contains all eukaryotics, so they're not always unicelluar.

Protist cannot make or consume food. Animals consume food, and plants make food, not protista. Yes they're many plant-like protists out there, such as algae, they get their food from the sun above. So all protists cannot make or consume food.

Protist does have flagella, but not all protists. Protists that are motile and generate movement have flagella, meaning they move. Not all protist move, like plants can't move. So, not all protists have flagella, meaning they can move.

Let me know if you have any questions.

<em>                                                                                            Sincerely, Lily :)</em>

6 0
3 years ago
Read 2 more answers
Which body system is made up of the heart, veins, and arteries?
Harman [31]

Answer:

The circulatory system

Explanation:

The heart, veins and arteries works together to service the cells of the body

6 0
3 years ago
Read 2 more answers
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