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Sati [7]
3 years ago
6

Create a hypothesis for the following problem:You are planting a garden. Create a hypothesis about how water will affect plant g

rowth.
Chemistry
1 answer:
wel3 years ago
6 0

Answer:

I hypothesize that if I water the garden reguarlary, making sure that the plants are not dry, that the plants will thrive. However, if you do not water them, the plants will die.

Explanation:

Hope this helps! :)

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Matter can undergo chemical reactions and nuclear reactions. Which statement is true only for nuclear reactions?
Irina18 [472]

Answer:

B - The energy of reactants is conserved.

D - the nuclei of atoms changes completely ( if that's the option)

6 0
2 years ago
A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 503 nm, while the
V125BC [204]

Answer:

Number of proton emmitted by laser=2.48*10^17proton

Explanation:

Energy is the ability to cause change; power is directly proportional to energy and its the rate energy is utilized.

Power=energy/time.

First we need to calculate the total energy used which is equal to the total power utilized.

E(total)= P( total) = 1.4W × 0.070 s =0.098J

CHECK THE ATTACHMENT FOR THE REMAINING DETAILED CALCULATION

4 0
4 years ago
Which property is a chemical property of a substance?
labwork [276]

reactivity! when something reacts to another substance, its a chemical change. When something melts, boils, or changes color, it is still the same substance, therefore is physical

7 0
3 years ago
Read 2 more answers
An object with a mass of 20.0 kg has a force of 5.0 Newton's applied to it. What is the resulting acceleration of the object?
Arisa [49]

Answer:

1/4

Explanation:

force/mass

5/20=1/4 abs

8 0
3 years ago
What is the work done on an object moved a distance of 63 m with a force of 8.5 x 103<br> Newtons?
Alja [10]

Answer:

  • 5.355 × 10³ Joules

Explanation:

I just had this question on my test

7 0
3 years ago
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