During the day, the sand at the beach is very warm; while at night, it is cooler. Why does this occur?

Answers

Answer 1

Answer:
this is because the sand has low specific heat which means that it takes a lot of energy to cause a change in temperature. plus it has a low capacity of weight per unit per degree temperature to absorb heat....so yeah :)

Answer 2

Answer: Because sand has a low specific heat, it has a low capacity per unit weight per degree temperature to absorb heat.This means that the temperature rises quickly in response (remember, temperature is the average kinetic energy of a system; not the heat capacity). It also is the reason why the sand cools quickly: the Temperature drops, as heat is released

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What is the prevailing westerlies

Answers

Prevailing Westerlies are the winds in the middle latitudes between 35 and 65 degrees latitude. They tend to blow from the high pressure area in the horse latitudes towards the poles. These prevailing winds blow from the west to the east steering extratropical cyclones in this general manner.

How do all multicellular organisms begin? A. as complex organisms B. as a single cell C. by expanding the size of their cells D. by creating all their cells at one time I believe it is b

Answers

B is the correct answer. Multicellular organisms, as with almost all organisms, begin life as a single cell. The increase in the number of cells can be as a result of cell division or cells combining together.

earths second atmosphere (atmosphere II) was a thick atmosphere of primarily water vapor and carbon dioxide. What effects did this have on the earth

Answers

Heat energy was retained and water vapor condensed

I took the test and that is the correct answer

Answer: b

Explanation:

Which structure in a cell corresponds with the function of the human lungs? A. Nucleus
B. Vacuole
C. Cell membrane
D. Mitochondria
Please explain why, cause I don’t understand this

Answers

The answer is D. Mitochondria

Mitochondria is an organelle in the cell that corresponds to the function of the lungs. It helps the lungs in the biochemical process of respiration and with the energy production.

The oldest fossil forms of life are most similar toa. animals
b. modern bacteria
c. archaebacteria
d. fungi

Answers

Answer:

c. Archaebacteria are the oldest fossil forms

Explanation:

According to the Six Kingdom Classification of Living Organisms, Archaebacteria includes the earliest organisms to have appeared on the earth's surface living under harshest of conditions. These were unicellular organisms that used chemical energy to synthesize life sustaining molecules(chemoheterotrophs).

As the temperature, pressure and environment became more conducive to live slowly they evolved into modern bacteria, and subsequently higher-ordered multicellular organisms. Fungi, Plant and Animals later evolved as the organization became more and more complex.

Therefore in chronological order the oldest fossils are Archaebacteria>modern bacteria>fungi>animals

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The answer is C

Archaebacteria were the first forms of life because they can survive in very harsh conditions like extreme heat and cold

The beam of a light spreads out after leaving the flashlight. The beam grows wider and wider. This is best explained by

Answers

When you leave the flashlight power on, the beam of its light will grow wider and wider because the individual photon travels though space forever as long as it don’t hit anything. While the beam grows wider, the photons also spread thinner.

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