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Andrew [12]
4 years ago
9

What do scientists do when they run experiments?

Chemistry
1 answer:
horrorfan [7]4 years ago
6 0

Answer:

they develop an hypothesis

Explanation:

i think lol

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The work of which scientist was most essential to the use of radioactive
fgiga [73]

Answer:

A

Antoine-Laurent Lavoisier

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8 0
3 years ago
A bowling ball is pushed with a force of 22.0 N and accelerates at 5.5m/s. What is the mass of the bowling ball
Luden [163]
Hello!

Data:

F (force) = 22.0 N
m (mass) = ? (in Kg)
a (acceleration) = 5.5 m/s²

We apply the data to the Resultant Force formula, we have:

F =m*a

22 = m*5.5

5.5 m = 22

m =  \dfrac{22}{5.5}

\boxed{\boxed{m = 4\:Kg}}\end{array}}\qquad\checkmark

I hope this helps. =)
7 0
3 years ago
Read 2 more answers
Which factor increases the amount of water runoff?
bekas [8.4K]

D. impermeable rocks

Explanation:

Impermeable rocks is the factor among the give choices that will increase the amount of water runoff on the surface.

Surface run-off is liquid water that flows and moves on the earth surface.

  • An impermeable rock is a rock that lacks porosity and permeability.
  • Porosity is the amount or percentage of void spaces in rock.
  • Permeability is the inter-connectivity of the pores.
  • When a rock is impermeable, it will not allow water to infiltrate.

learn more:

Biogeochemical cycle brainly.com/question/3509510

#learnwithBrainly

7 0
4 years ago
HELP!!!! PLSSSA 90 POINTS
ruslelena [56]
Carbon dioxide is through the plants
8 0
3 years ago
NASA pointed the Hubble Space Telescope at a very dark section of sky to see what might be found. The telescope revealed
valentina_108 [34]

Answer:

100,000,000,000

Explanation:

Given that :

1 hubble space telescope pointed at 1 section of the sky reveals 10,000 distinct galaxies ;

Number of sections from which observation is to be made = 10,000,000

Number of distinct galaxy per section = 10,000

Number of galaxies that would exist in the known universe :

Total number of galaxies in the known universe :

Number of galaxies per section * number of sections

10,000 * 10,000,000

= 100,000,000,000s

7 0
3 years ago
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