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goldenfox [79]
3 years ago
9

Which is an example of a chemical reaction? A) melting ice B) rusting iron C) water evaporating D) rubbing a marker on paper

Chemistry
2 answers:
zvonat [6]3 years ago
8 0
Necklaces of seashells, lion teeth, and beer claws. Also sculpture of animals.
Ksju [112]3 years ago
4 0
B rusting iron because whatever is making it rust is reacting with the iron to cause it to rust.
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Choose two different particles found in the air. Explain how they are different and how they are the same
BARSIC [14]

Answer:

Dust and smoke.

Explanation:

Dust and smoke are two different particles present in the air. Dust and smoke are different from one another due to their origin. Smoke formed from burning of materials while dust refers to the soil particles lifted by the wind due to their light weight. Dust and smoke are similar to each other due to their small in size, infinite number means uncountable and light weight.

6 0
3 years ago
Where is most of Earth’s fresh water found?
puteri [66]

Answer:

ice caps and glaciers

Explanation:

Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.

6 0
4 years ago
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What happen to the size of balloon if it is gone to upward direction ?​
natima [27]

Answer:

nothing happens

Explanation:

this just means that the density is lower than the air

3 0
3 years ago
True or false: the part of photosynthesis that does not require light is the Calvin cycle
Mumz [18]
False False False False
5 0
4 years ago
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A bottle contains 175 ml of insulin at a concentration of 40.0 mg/ml . what is the total mass of insulin in the bottle?
Inessa [10]
D - density: 40 mg/ml
V - volume: 175 ml
m - mass: ??
__________
d = m/V
m = V×d
m = 175×40
m = 7000 mg = 7 g

:•)
5 0
4 years ago
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