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3 years ago

What is the MAIN reason water from the oceans turns to water vapor, and then evaporates into the air?

2 answers:

8 0

This has a two word answer: sun's heat. The faster moving molecules near the ocean's surface are provided with enough energy from the sun to escape the surface they are near.

kotykmax [81]3 years ago

6 0

Answer: heat from the sun

Explanation:

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The howler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 8.9 km. Assume the

Airida [17]

Answer:

$\frac{I}{I_0}=113.68$

Explanation:

P = Acoustic power = 63 µW

r = Distance to the sound source = 210 m

Acoustic power

$P=IA\\\Rightarrow I=\frac{P}{A}\\\Rightarrow I=\frac{63\times 10^{-6}}{4\times \pi \times 210^2}$

Threshold intensity = $I_0=1\times 10^{-12}\ W/m^2$

Ratio

$\frac{I}{I_0}=\frac{\frac{63\times 10^{-6}}{4\times \pi \times 210^2}}{1\times 10^{-12}}\\\Rightarrow \frac{I}{I_0}=113.68$

Ratio of the acoustic intensity produced by the juvenile howler to the reference intensity is 113.68

6 0

3 years ago

Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.48 cm, its potential energy i

nlexa [21]

I sincerely do not know the formula but using normal maths i got 1.71cm

7 0

3 years ago

Find the missing spaces in the charts below! Please!

Neko [114]

Answer:

Zinc- Zn

Mass Numbers:

Tin-118.71 u

Zinc- 65.38

Protons:

Tin-50

Atomic number zinc 45.38

Zinc has 30 electrons

Tin has 50 electrons

35 neutrons in zinc

iodine-

atomic number- 53

78 neutrons

cl-1 is chlorine

atomic number 17

18 neutrons

17 electrons

atomic number 35 is bromine

symbol Br

35 protons

45 neutrons

35 electrons

Aluminium

protons and electrons 13

neutrons 14

atomic number 14

fe+2

26 protons

24 electrons

30 neutrons

ferrous iron

Cu+1 copper

63.546 mass number

proton and electron 29

neutron 35

5 0

3 years ago

A 2000 g of C 14 is left to decay radioactively the half-life of Corbin 14 is approximately 5700 years what fraction of that sam

ahrayia [7]

Answer:

1/8

Explanation:

17,100 years is 3 times the half-life of 5,700 years. After each half-life, half remains, so the amount remaining after 3 half-lives is ...

(1/2)(1/2)(1/2) = 1/8

1/8 of the sample remains after 17,100 years.

8 0

3 years ago

Read 2 more answers

The variable that the experimenter decides to change to see if there is or is not an effect is the Independent Variable.

EastWind [94]

The correct answer is: [A]: "TRUE" .
_________________________________________________

6 0

3 years ago