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miss Akunina [59]
3 years ago
14

Which statement describes the formation of galaxies?

Biology
2 answers:
Vera_Pavlovna [14]3 years ago
7 0
I believe the correct answer is C
ArbitrLikvidat [17]3 years ago
4 0
C. Gravity causes stars to cluster
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How are the molecules in photosynthesis and cellular respiration similar?
WARRIOR [948]

The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart

8 0
3 years ago
The numbers listed represent the number of electrons in the first, second, and third energy levels, respectively. On this basis,
yulyashka [42]

Answer:

D

Explanation:

This is because one of its orbital shells is not filled – the one with 1 electron. This atom will, therefore, want to lose this electron – it takes less energy to do this than gain 7 electrons -- to achieve stable electron configuration. This makes this atom very reactive in a chemical reaction.  Usually orbital shells of atoms begin with an S orbital shell that is filled with 2 electrons then P (x,y,z) orbital shells filled with 6 electrons total. There are also higher energy f and d orbitals that each take a maximum 10 and 14 electrons respectively. An atom is stable if its orbitals are fully filled.  

6 0
3 years ago
A student is constructing a model to illustrate the levels of organization for life on Earth.
Lisa [10]

Answer:

1: Population; 2: Biome;3: Ecosystem

Explanation:

Population refers to the number of people in a state. Biome is a large area characterised by it's vegetation, soil,climate, and wildlife. Ecosystem is a geographic area where plants, animals and other organisms exists

7 0
2 years ago
Why is it surprising that we know more about the moon or Mars then we do about the deep sea floor and marine habit as a whole?
Ludmilka [50]
Because we have been to busy trying to explore new areas rather than our own and were probably to scared to know what's in our planet so it doesn't cause panic
3 0
3 years ago
Why are groups of small cells better than one large cell at moving material in
quester [9]

Answer:

C. They have a greater surface-to-volume ratio.

Explanation:

Because these smaller cells can access and pass through the membranes of the other cell membranes and permeable coverings easily and voluntarily unlike larger cells. It is also efficient for these smaller cells to penetrate and travel, delivering and transporting goods and materials such as nutrients, oxygen and waste throughout the body without consuming enough energy and conserving lesser space.

For simple reasons, they are faster, more efficient and consumes little space, and most especially depletes lesser energy. So, many small cells have more surface area than one large cell.

5 0
3 years ago
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