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11111nata11111 [884]

3 years ago

7

If carbon dioxide, methane, and water vapor were not in the atmosphere, then

1 answer:

Savatey [412]3 years ago

3 0

<h2>Answer:</h2>

D. The Earth's surface would be much colder than it is.

<h3>Step-by-step explanation:</h3>

This is because warm temperatures and high levels of atmospheric carbon dioxide happen at about the same time. So if atmospheric carbon dioxide concentrations double warm up by between 2 and 4.5 degrees Celsius. On the other hand, water vapor promotes, as the greatest contributor, to the Earth’s greenhouse effect. In this way, if carbon dioxide, methane, and water vapor were not in the atmosphere, then it's obvious that the Earth's surface would be much colder than it is.

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The expressions that are equivalent to 9(5v+4)

DiKsa [7]

Answer:

45v+36

Step-by-step explanation:

9•5v= 45v

9•4= 36

45v+36

6 0

3 years ago

The 10 participants in an experiment had the following reaction times ( in milliseconds ) : 778,783,784,786,790,804,807,810,819,

Nata [24]

Answer:

Mean. It includes all data points.

Step-by-step explanation:

-We first need to calculate the mean, median and mode then compare our values:

#Mean:

$\bar x=\frac{1}{n}\sum{x_i}\\\\=\frac{1}{10}\sum{778+783+784+786+790+804+807+810+819+823}\\\\=\frac{1}{10}\times \\\\=798.40$

#The median is the middlemost data point in a lsit data:

778,783,784,786,790,804,807,810,819,823

-Since our data points is an even number, the median number is calculated as:

$median=\frac{1}2}\sum{5^{th}+6^{th}}\\\\=0.5[790+804]\\\\=797.00$

#Mode is the data point with the highest frequency:

-Since there's no number appearing more than once, our set has no mode.

#Since our data set has no outliers and is not a skewed distribution, the mean will be the best measure as it includes all data points

8 0

3 years ago

Read these sentences from paragraph 6 of the text.

tankabanditka [31]

Answer:

B

Step-by-step explanation:

7 0

3 years ago

The volume of a spherical ball is 4500 cubic centimeters. Find the radius of the ball

babunello [35]

Answer:

$r^{3}=4050$

r = ∛4050

Step-by-step explanation:

$V=\frac{4}{3} \pi r^{3}$

$5400=\frac{4}{3} \pi r^{3}$

$r^{3}=3(\frac{5400}{4} )$

$r^{3}=3(1350 )$

$r^{3}=4050$

8 0

3 years ago

Dividing by 1/2 is the same as multiplying by what number

sergey [27]

Answer:

0.5

Step-by-step explanation:

7 0

3 years ago