Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
The second one and the 2 last ones
Answer:
Land resources such as gravel and bedrock are used to construct buildings, roads, and sidewalks. Land is also where city structures—such as buildings, roads, and sidewalks—are constructed. People use land resources such as bedrock and aggregate to construct buildings, roads, and sidewalks.
I hope this answer helps
Answer:
The answer is
<h2>0.0056 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula
From the question
volume = 3.4 mL
1 mg = 0.001 g
18.99 mg = 0.01899 g
So we have
We have the final answer as
<h3>0.0056 g/mL</h3>
Hope this helps you
Answer:
False.
Explanation:
Kinetic energy represents the energy the car has and is using right now. So, if the car was fast, then it would have a lot of kinetic energy. A slow car has a low amount of kinetic energy.