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Lelechka [254]
3 years ago
12

How do scientists study pollen grains to help them understand climate change?

Physics
2 answers:
tino4ka555 [31]3 years ago
7 0

Answer: A. by analyzing and making inferences about them

Explanation:

DedPeter [7]3 years ago
3 0

Answer:

by analyzing and making inferences about them

Explanation:

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Series circuit when you had one bulb and battery voltage was at 9 volts, what was current into battery?
KengaRu [80]

Answer:

incomplete question, resistor must be there

Explanation:

7 0
3 years ago
Someone please help me, I’m so lost my brain hurts
tiny-mole [99]

-- It takes 100 calories of heat to make 10 grams of the stuff 20° warmer.

How much of the heat warms each gram ?

-- It takes 10 calories of heat to make each gram of the stuff 20° warmer.

How much of the heat warms that gram each degree ?

-- It takes 1/2 calorie of heat to make each gram of the stuff 1° warmer.

The specific heat of that stuff is

(1/2 calorie) per gram per °C.

That's choice-3 .

7 0
3 years ago
Read 2 more answers
How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 4.00
klio [65]

Explanation:

Let us assume that the separation of plate be equal to d and the area of plates is 9 \times 10^{-4} m^{2}. As the capacitance of capacitor is given as follows.

            C = \frac{\epsilon_{o}A}{d}

It is known that the dielectric strength of air is as follows.

               E = 3 \times 10^{6} V/m

Expression for maximum potential difference is that the capacitor can with stand is as follows.

                       dV = E × d

And, maximum charge that can be placed on the capacitor is as follows.

               Q = CV

                   = \frac{\epsilon_{o} A}{d} \times E \times d

                   = \epsilon_{o}AE

                   = 8.85 \times 10^{-12} \times 3 \times 10^{6} \times 4 \times 10^{-4}

                   = 1.062 \times 10^{-8} C

or,                = 10.62 nC

Thus, we can conclude that charge on capacitor is 10.62 nC.

5 0
3 years ago
Are Constellations based on the magnitude of stars.
Nikolay [14]
Constellations are based off of many Greek and Roman fables. Many of their gods and beliefs are pictured in the stars, which is where we get most of our constellations. Hope this helps!
4 0
3 years ago
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Graph the linear equation y=2x-6
My name is Ann [436]
I can't draw you the graph right now because i'm out  but look up graphing calculator and click on the first one, type in your equation and it will show you the graph 
4 0
3 years ago
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