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sladkih [1.3K]
3 years ago
6

Systems are classified as human-made or natural. Match each example to the correct type of system.

Chemistry
2 answers:
BabaBlast [244]3 years ago
8 0

Answer:

Explanation:

<u>Natural System:</u>

1. solar system

2. plant root system

3. human digestive system

<u>Human-Made System:</u>

1. telephone system

2. city transit system

3. water purification system

Sidana [21]3 years ago
3 0

Answer: Here is the answere with a picture view for better understanding.

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Kipish [7]

Step 3

Explanation:

Step 3 contains a major error.

In step 3, it is stated as molten rocks are heated.

Molten rocks are not heated.

Solid rocks are heated as the plate is pushed down under the earth due to movement of tectonic plates.

When the rock is heated, the rock is melted to become molten.

  • The molten rock is called magma.
  • When the magma cools, it solidifies to form igneous rocks.

A molten rock is not heated to form igneous rocks.

learn more:

Volcanic eruptions brainly.com/question/5055821

#learnwithBrainly

7 0
3 years ago
How plants adapt to temperature variation
natita [175]
Answer: One major strategy by which plants adapt to temperature change is to decrease the degree of unsaturation of membrane lipids under high temperature and increase it under low temperature. ... This pattern of changes in membrane lipids was distinct from that occurring during slow alterations in temperature.

Explanation: I found this answer from goggle
7 0
3 years ago
Heyyyywooo Friends Can Yall Plz Help
VARVARA [1.3K]

Answer:

I think the answer is A

3 0
3 years ago
A 15.0 gram unknown piece of metal at 99°C is added to 75 grams of water at 23°C. The final temperature of the metal and water i
Nina [5.8K]

By law of conservation of energy, the amount of heat lost by the metal should be equal to the amount of heat gained by water. That is, the change in energy (expressed in enthalpies) should be equal:

- (ΔH)metal = (ΔH)water

Take note of the negative sign in front of (ΔH)metal, this means that heat is lost by this metal.

Where ΔH or change in enthalpy is:

ΔH = m Cp (T2 – T1)

 

So,

- 15 g (Cp) (23 °C – 99 °C) = 75 g (4.18 J/g * °C) (26 °C – 23 °C)

1,140 Cp = 940.5

<span>Cp = 0.825 J/g * °C           (ANSWER)</span>

6 0
3 years ago
HELP! THIS IS SCIENCE
Alexxx [7]
This is known as Rutherford's gold foil experiment. To align with J.J Thompson's Plum Pudding Model, he expects a beam of alpha particles to just pass through the gold foil undisturbed. However, some were deflected at certain angles. Alpha particles are positive, so it would just go straight through the nucleus, but will deflect if it hits the electrons. <em>Therefore, the answer is: </em><span><em>Particles that struck the nucleus went straight.</em></span>
7 0
4 years ago
Read 2 more answers
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