The majority of Earth is covered with water. Water takes longer to heat up and cool down which has an impact on the air temperature. The slow change in water temperature is due to water's

Answer:

4,500 years.

Explanation:

that is how old the pyramids are.

• When the process required the use of membrane proteins are:

                   Facilitated diffusion

• According to the cells, when some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly.
• Although Facilitated diffusion is that the passive movement of molecules across the cell wall via the help of a membrane protein.
• When it's utilized by molecules that are unable to freely cross the phospholipid bilayer
• Thus, while others must suffer membrane proteins during a process called facilitated diffusion.

Find out more information about "facilitated diffusion" :

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Answer:

In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.

Explanation: so it is

D :)

Answer:The biodiversity of the islands has decreased.

Explanation: Galapagos Islands is located in an island in Equador, it is at this island that Charles Darwin carried out his biodiversity experiment. The island is known to contain a wide range of diverse species that are unique to the Galapagos Islands.

The biodiversity of the Island is been threatened in recent times due to destructive activities of Humans,people are introducing Alien species like the Goats now introduced into the farm by some farmers years ago, the dumping of refuse,the high rate of buildings coming up around the island and the influx of Tourists all these are making the Inherent species to find the environment unattractive any longer hence, they are going into extinction.

Answer:

B.The biodiversity of the islands has decreased

Explanation:

fyi i just got it correct

There are about 50 to 100 elements on the periodic table.

Hope this helps.

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Final answer:

A useful model of the universe should explain two key observations: the movements of celestial bodies and the nature of the universe's composition, including elements like dark energy.

Explanation:

Two vital observations that a model of the universe needs to explain to be considered useful include the movement of celestial bodies and the nature of the universe's composition. For instance, as our knowledge grew, so did our understanding of the movement of celestial bodies. An early model imagined Earth as the center of the universe with everything else moving in circular orbits around it. However, these models had to be updated as more observations were made, leading to a sun-centered model fitting closer to the experimental evidence.

Secondly, the nature of the universe's composition is crucial. As hypotheses in astronomy evolve, our concept of the universe's makeup has grown to accept the idea of dark energy. While there's convincing evidence that dark energy makes up the bulk of the universe, scientists still seek a thorough understanding of what dark energy is in reality.

Learn more about Model of the Universe here:

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Answer:

Gas, solid and liquid.

Explanation:

The matter exist in its well defined state. Three main states of matter are solid, liquid and gas. Different matters exist among three states in this universe.

Th solid particles are tightly packed together and has little space between them. The gases particles are far away from each other. The liquid particles are less closely packed together than solid but less than gases. Gases has highest space between them and can move easily, then liquid and least speed is of solid particles.

Thus, the answer is gas, solid and liquid.