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enot [183]
3 years ago
9

Why do you think the carbon dioxide measurements have increased so much in the last 100 years or so?

Physics
2 answers:
Travka [436]3 years ago
7 0

Answer:

Explanation:

Carbon Dioxide has increased in the last 100 years because we’ve been told it has. We don’t know via our own senses of course, so we just have to accept that it has. I personally don’t know how CO2 levels are measured since different parts of the world have different levels of CO2. For instance, the Pacific Ocean which occupies 30% of the entire planet has no trees or green plants at all and therefore absorbs only small amounts of CO2.

Alla [95]3 years ago
4 0

Answer:

Hello There!!

Explanation:

They have increased alot because of the carbon footprints people leave off like cutting trees and not replanting so that releases alot of CO² into the atmosphere.

hope this helps,have a great day!

~Pinky~

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R1=3 ohms
brilliants [131]

Answer: current I = 1.875A

Explanation:

If the resistors are connected in series,

Then the equivalent resistance will be

R = 6 + 18 + 15 + 9

R = 48 ohms

Using ohms law

V = IR

Make current I the subject of formula

I = V/R

I = 90/48

I = 1.875A

And if the resistors are connected in parallel, the equivalent resistance will be

1/R = 1/6 + 1/18 + 1/15 + 1/9

1/R = 0.166 + 0.055 + 0.066 + 0.111

R = 1/0.3999

R = 2.5 ohms

Using ohms law

V = IR

I = 90/2.5

Current I = 35.99A

3 0
3 years ago
An object is moving with an initial velocity of 19 m/s.It is then subject to a constant acceleration of 2.5 m/s for 15s.How far
bija089 [108]

Answer:

566.3 m

Explanation:

The distance travelled by the object can be found by using the SUVAT equation:

d=ut+\frac{1}{2}at^2

where

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t is the time

a is the acceleration

For the object in this problem:

u = 19 m/s

a = 2.5 m/s^2

Substituting t = 15 s, we find the distance travelled:

d=(19)(15)+\frac{1}{2}(2.5)(15)^2=566.3 m

7 0
4 years ago
How does comets differ from a asteroids
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Yuliya22 [10]
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