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gayaneshka [121]
3 years ago
12

During the time when humans moved from Africa throughout the world,

Biology
1 answer:
vesna_86 [32]3 years ago
7 0
I believe it would be B, because if there wasn't a rapid population growth, there wouldn't be as many people as there are today. 
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PLEASE I NEED ASAP | What do Virginia watershed programs do? Check all that apply.
mixer [17]

Answer:

Assist with flood reduction.

Explanation:

The Virginia watershed program was organized and directed the secretary of Agriculture to assist local governments in protecting them against flood during storms within the sub - basins of watersheds. The basis of the Virginia watershed programs is to assist the local governments to protect, restore and enhance local watersheds. It's provide both technical and financial support.

A watershed is an area of land that drains into a lake or river.

7 0
3 years ago
Read 2 more answers
WILL GIVE 20 POINTS
Rudik [331]
It’s C because they took out the letter A from the new strand of DNA. btw deletion means to take away and substitution means to sub in a letter. hope that helped!
4 0
3 years ago
Why must a ecologist consider both speciation and extinction when analyzing
Feliz [49]

Answer:

An ecologist must consider both of the speciation and extinction of an organism or when analyzing the diversity the life on earth because of the following reasons;

-          It is a role of an ecologist

-          It is part of their job

-          This will tell the existence of the organism

-          The organism’s life span on earth

-          How it was existed and were extinct

Explanation:

7 0
2 years ago
How many seconds are in a year??
Anna71 [15]
Per calendar year (365 days) there are 31536000 seconds
6 0
3 years ago
48.
satela [25.4K]

Answer:

Ribose

Explanation:

DNA is a large molecule, a type of nucleic acid which store and act as a genetic material of the cell. DNA molecule is formed by the repeating monomer units called nucleotides.

Each nucleotide is made up of three subunits as:

1. 5-C sugar: De-oxyribose formed by the removal of oxygen group from 2' OH group of ribose. Ribose is the sugar molecule present in RNA nucleic acid.

2. Phosphate group (PO₄³⁻)

3. Nitrogenous bases: adenine, guanine, adenine and cytosine.

Thus, ribose is the correct answer.

5 0
3 years ago
Read 2 more answers
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