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2 years ago

13

Certain gases in the atmosphere – water vapor, carbon dioxide, methane and nitrous oxIde – help maintain the Earth’s temperature

s and climate. These are called: __________ . *
ozone gases
greenhouse gases
stomach gases
solar gases

1 answer:

Ne4ueva [31]2 years ago

8 0

Answer:

greenhouse gases im pretty sure

Explanation:

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A rock is dropped from a sea cliff and hits the water 3.2s later. How high is the cliff? How long would it take sound to travel

Kruka [31]

<span>A rock is dropped from a sea cliff and hits the water 3.2s later. How high is the cliff?

t = sqrt(2y/g)
3.2 = sqrt(2y/9.81)
y = 50.23 m

</span><span>How long would it take sound to travel the same distance?
t = 50.23 / </span><span>343 m/s
t = 0.15 s

</span><span>How long would it take light to travel this distance?
t = 50.23 / </span><span>299 792 458 m / s
t = 1.68x10^-7 s</span>

4 0

3 years ago

Here is free pts!! Does anyone want to do some talking???

Stells [14]

Answer:

thxxx for pointsss

Explanation:

have a good day :)

3 0

3 years ago

Read 2 more answers

DOUBLE POINTS!!!!

Nataly_w [17]

Explanation:

C.

Object A will require more force to be set in motion but will travel faster than object B.

2. true

7 0

3 years ago

natulia [17]

Answer:

$\% Error = 2.6\%$

Explanation:

Given

$x: 1.54, 1.53, 1.44, 1.54, 1.56, 1.45$

Required

Determine the percentage error

First, we calculate the mean

$\bar x = \frac{\sum x}{n}$

This gives:

$\bar x = \frac{1.54+ 1.53+ 1.44+ 1.54+ 1.56+ 1.45}{6}$

$\bar x = \frac{9.06}{6}$

$\bar x = 1.51$

Next, calculate the mean absolute error (E)

$|E| = \sqrt{\frac{1}{6}\sum(x - \bar x)^2}$

This gives:

$|E| = \sqrt{\frac{1}{6}*[(1.54 - 1.51)^2 +(1.53- 1.51)^2 +.... +(1.45- 1.51)^2]}$

$|E| = \sqrt{\frac{1}{6}*0.0132}$

$|E| = \sqrt{0.0022}$

$|E| = 0.04$

Next, calculate the relative error (R)

$R = \frac{|E|}{\bar x}$

$R = \frac{0.04}{1.51}$

$R = 0.026$

Lastly, the percentage error is calculated as:

$\% Error = R * 100\%$

$\% Error = 0.026 * 100\%$

$\% Error = 2.6\%$

4 0

3 years ago

How many milliliters are in 1.2 L ( 1 mL= 0.001 L

alisha [4.7K]

1200 mL

1.2L*1000mL/1L=1200mL (after canceling alike units)
Hope this helps:)

4 0

3 years ago