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VashaNatasha [74]
3 years ago
14

Why aren't there many meteors in the troposphere

SAT
2 answers:
devlian [24]3 years ago
4 0

Answer:

This is because most of them are burnt up as they go through the outermost layers of the earth's atmosphere releasing a trail of burning gas as they move through the atmospher (this is seen as a shooting star).

Explanation:

The troposphere is the lowest layer of Earth's atmosphere and site of all weather activities on Earth. The troposphere is bonded on the top by the stratosphere layer (they are both seperated by the stratospause) and on the bottom by the earth's surface. Once a meteor enters the earth's atmosphere, gravity accelerates it towards earth. As the meteor is accelerated, it experiences a huge amount of drag between its surface and the atmospheric gazes. Thia drag raises its surface temperature to above thousands of degree. This high surface temperature causes the meteor to burn up in the atmosphere. Most metoers are burnt up before they get to the troposphere layer.

Mandarinka [93]3 years ago
3 0
Gravity and would burn up
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Can anyone help me in this question!
Sidana [21]

Answer:

D: It explains how much ocean water levels have changed from the past to the present.

Explanation:

The passage states that "At the coldest part of the Ice age, the seas were about 410 feet(125 m) lower than the today. As carbon dioxide levels in the atmosphere naturally rose, Wanless explains, glaciers melted, and the seas rose hundreds of feet." Those two sentences from the passage centrally describe information about the sea and how it has changed throughout the years.  Therefore, the answer is D: It explains how much ocean water levels have changed from the past to the present.

8 0
3 years ago
the height of a bottle rocket, in meters, is given by the function s(t)=−9t2+103t+403. find the average velocity of the bottle r
zaharov [31]

The average velocity of the bottle rocket are two given time intervals is 30 m/s and 20 m/s respectively, while the instantaneous velocity at 4.5 seconds is 22 m/s.

The given parameters;

  • s(t) = -9t² + 103t + 403
  • time interval (4.499, 4.5), and (4.5, 4.501)

The average velocity of the bottle rocket over the intervals is calculated as follows;

when the interval = [<em>4.499, 4.5</em>]

s(4.499)= -9(4.499)^2  + 103(4.499) + 403 = 684.22 \ m\\\\s(4.5) =  -9(4.5)^2  + 103(4.5) + 403 = 684.25 \ m

v = \frac{\Delta \ s}{\Delta \ t} = \frac{684.25 - 684.22}{4.5 - 4.499} = 30 \ m/s

when the interval = [<em>4.5, 4.501</em>]

s(4.5) = -9(4.5)^2 + 103(4.5) + 403 = 684.25 \ m\\\\s(4.501) = -9(4.501)^2 + 103(4.501) + 403 =684.27 \ m\\\\v= \frac{684.27 - 684.25}{4.501-4.5} \\\\v = 20 \ m/s

The instantaneous velocity of the bottle rocket at time t=4.5;

v = \frac{d \ s(t)}{dt} = -18t + 103\\\\v(4.5) = -18(4.5) + 103\\\\v(4.5) = 22 \ m/s

Thus, the average velocity of the bottle rocket are two given time intervals is 30 m/s and 20 m/s respectively, while the instantaneous velocity at 4.5 seconds is 22 m/s.

Learn more here: brainly.com/question/25009886

7 0
2 years ago
This type of hormone characteristically requires a second messenger.
natita [175]

The type of hormone that characteristically requires a second messenger is: "Water Soluble Hormone" (Option C)

<h3>What is the function of a second messenger hormones?</h3>

Second messengers bridge the gap between signaling chemicals including neurotransmitters, cytokines, and growth factors and changes.

in gene expression, which are ultimately responsible for nerve cell proliferation, differentiation, and maturation.

Learn more about second messenger hormones at;
brainly.com/question/13974166
#SPJ1

Full Question:

This type of hormone characteristically requires a second messenger.

A) lipid-soluble

B) steroid

C) water-soluble

D) prostaglandin

8 0
2 years ago
Find the output for the graph<br> y = -3x + 11<br> when the input value is -4.
Svet_ta [14]

Answer:

x = -7

Explanation:

y = -3(-4) + 11

= 12+11

= 23

That's an equation

But if it's a graph; +12, +11

7 0
2 years ago
Kuhl found that babys brains are most open to learning the consonants in their native language at what age? And vowels at what a
irina1246 [14]
When as young as 18 weeks old, Dr. Patricia Kuhl found that babies can listen to “ah” and “ee” vowel sounds and gaze at the correct, corresponding lip shape on a video monitor.

Around age 2-3 months, infants start coping and making soft vowel sounds. They are able to do this because their larynxes and other parts of their throats change to allow these sounds.

By age 3-4 months, babies begin to make consonant sounds of b, k, m, g, and p.

By 4-5 months, the vowels and consonants are put together to form nonsense words.

Check out eibalance.com for more info about this. Hope it helped!
4 0
3 years ago
Read 2 more answers
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