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nadya68 [22]
3 years ago
5

I need help 1 more time How does the Sun manage to maintain an environment in its core that is conducive to nuclear fusion? I'll

mark 1 more Brainliest so plz I really need this done before Monday
Biology
2 answers:
marissa [1.9K]3 years ago
8 0

Answer:

Gravitational equilibrium helps maintain the environment in the Sun's core that is conducive to nuclear fusion. The Sun's gravitational equilibrium balances the gravity pulling inward and the pressure pushing outward. It keeps the Sun's size, denseness, and hotness stable, thus making nuclear fusion possible.

Kazeer [188]3 years ago
4 0

Answer:

Gravitational equilibrium helps maintain the environment in the sun's core that is conducive to nuclear fusion. the sun's gravitational equilibrium balances the gravity pulling innards and the pressure pushing outward . it keeps the sun's size, denseness, and hotness stable, thus making nuclear fusion possible.

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Cycadophyta is a group of plants with a small number of extant species, that is nevertheless well known from fossils from the Me
alisha [4.7K]

Answer:

C. Phylogenetic niche conservatism

Explanation:

Based on the information provided within the question it can be said that the term that best explains these "living fossils" is Phylogenetic niche conservatism. This refers to the tendency that a specific species has for retaining certain traits from the ancestors. Which explains why the living "cycads" are nearly identical to fossils.

6 0
3 years ago
Which of these groups contains a single -celled organisms?
brilliants [131]

Answer:

   Escherichia coli.

   Diatoms.

   Protozoa.

   Protista.

   Streptococcus.

   Pneumococci.

   Dinoflagellates.

Explanation:

3 0
3 years ago
Given a population that contains genetic variation, what is the correct sequence of the following events under the influence of
GuDViN [60]

Answer:

2. A change occurs in the environment.

4. Poorly adapted individuals have decreased survivorship.

1. Well-adapted individuals leave more offspring than do poorly adapted individuals.

3. Genetic frequencies within the population change.

Explanation:

The natural selection theory was developed by Darwin to explain how evolution occur within a population. The environment is in constant state of changes and always select for organisms that are better adapted to it.

Poorly adapted organisms gradually reduce from the population as a result of decreased survival while well-adapted individuals multiply and contribute more to successive generation.

Well-adapted individuals pass on the adaptive alleles to their offspring, eventually leading to a change in gene frequencies within the population.

Hence, the sequence of events is 2, 4, 1 and 3.

8 0
3 years ago
A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
Anika [276]

Answer:

50%

Explanation:

I used a punnet square

have a good day :)

8 0
3 years ago
Read 2 more answers
The ratio of the ages of father and son is 9:2 if the father is 45 year old, find the son
wolverine [178]
If the ratio is 9:2 that means that 45 would by ñ times 9. At the same time, ñ must also fit the ratio. Using this knowledge, you can divide 45 by 9, giving you 5, then multiply it by 2. This means that the child is 10 years old.
8 0
3 years ago
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