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miskamm [114]
2 years ago
8

8(a)(ii) What are the subatomic particles that makes up the nucleus ofberyllium?Your answer​

Biology
1 answer:
deff fn [24]2 years ago
7 0
4 protons, 5 neutrons, 4 electrons
You might be interested in
PLEASE HELP❤️❤️❤️
Lana71 [14]

Answer:

A. Yes, because molecules move down the

concentration gradient without using energy.

Explanation:

Active transport is the energy-requiring process of pumping molecules and ions across membranes against a concentration gradient. Both endocytosis and exocytosis are active transport processes.

Hope that helps!

6 0
3 years ago
The number of differences between cytochrome c of humans and cytochrome c of other organisms is as follows: Rhesus monkey - 1 di
liubo4ka [24]

Answer:

The species that will be most similar to humans will be

1. rhesus

2. pigeon

3. fruit fly

Explanation:

Evolution can be described as the process in which different organism evolve from common ancestors over a long period of time. Evolutionary studies show that some organisms have more shared characteristics as compared with other organisms. These organisms with common characteristics are believed to be closer to one another and evolved from the same ancestors.

In the above question, as there is only one difference between the cytochrome c of humans and rhesus, hence rhesus is the closest to humans. Pigeons has lesser number of differences than fruit fly, hence it is second on the list. Fruit fly has the maximum differences hence it is placed last.

3 0
3 years ago
What is a wetland? A. an ecosystem in which half the area is wet and the other half is dry B. an ecosystem in which plant roots
natka813 [3]
B. An ecosystem in which plant roots are submerged during parts of the years
8 0
3 years ago
Which pattern best describes most evolutionary paths?
Volgvan
Answer is B convergent
8 0
3 years ago
What kind of living and nonliving things do you think a marine biologist studies ?
prisoha [69]
Marine biologists study changes in the ocean. so they will look at the chemical composition of deep waters and see how consecrated the oxygen is. They will also study the movements of the plates because when planted move it usually makes new food for deep life

they will also check animal concentrations in certain areas.

Another thing they do is track animal movements. this could be by putting a tracker on a whale or a shark or anything and watching its depths it goes or watching the distance it goes in a day.
6 0
2 years ago
Read 2 more answers
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