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Andrew [12]
3 years ago
8

50% of the planets are made mainly of gas true or false

Biology
1 answer:
ella [17]3 years ago
6 0

Answer: I think the answer is true

Explanation: If you think about it, the terrestial planets ( being  venus, earth, mars, and mercury) are made up very little gas which are carbon dioxide, nitrogen and oxygen, and the gas giants ( being jupiter, saturn, neptune, and uranus) have gases such as hydrogen and helium. Thus meaning, the terrestial planets could be a part of it and the gas giants are the most. So yes, the answer is true.

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In a grassland ecosystem, a prolonged drought has caused depletion in food sources for a species of rabbit. Which of the followi
jeyben [28]

Answer:

Genetically diverse population, with some rabbits able to survive with fewer water resources than usual

Explanation:

I took the quiz and got that answer

5 0
3 years ago
Which of the following is an example of an ABAB design? Half of the subjects receive one treatment and the other half are not tr
Karolina [17]

Answer:

Option D, A subject is observed both before and after two exposures to the treatment.

Explanation:

In A-B-A-B design the alphabets have following meaning

a) First A – It is the baseline value or the value measured before treatment

b) First B – It is the treatment measurement

c) Second A  - It is the withdrawal of treatment  

d) Second B – It is the reintroduction of treatment  

The second A is known as the reversal phase in which the intervention is withdrawn to see if the target behavior returns to the baseline behaviour

Thus , there are two measurements involved one before the intervention and second after the intervention

Option D is correct

4 0
3 years ago
How is dna copied in your own words?
lianna [129]

Answer:

Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.

Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. Several enzymes and proteins then work together to prepare, or prime, the strands for duplication. Finally, a special enzyme called DNA polymerase organizes the assembly of the new DNA strands. The following description of this three-stage process applies generally to all cells, but specific variations within the process may occur depending on organism and cell type.

8 0
2 years ago
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The two very cold terrestrial biomes are the ________ and the taiga. arctic tundra
Goryan [66]

Answer:

arcic tundra

Explanation:

Tundra has two types: arctic and alpine. The coldest one is the arctic one as it is located in the northern hemisphere. Its conditions are very cruel, very cold.

The temperatures of an arctic tundra can go from 10 to 20 degrees of Farenheight in the summer. In the winter, the temperatures can go to -50 degrees. Thundra biome is one of the coldest and the biggest on Earth. It is located in the Arctic circle, mostly.

3 0
3 years ago
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However, bed bugs have become resistant to even this chemical pesticide. What happened that allowed the bug population to increa
juin [17]
D is the answer i think sorry if wrong

4 0
3 years ago
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