Answer:
All acids contain hydrogen. On reacting with metals, all acids produce hydrogen gas. All acids produce hydrogen ions in water.
Explanation:
Answer:
Potential energy is transfer to kinetic energy,
If radio active substance is decayed.
Answer: C. Your mass would decrease.
I think this because If the pull is less than on earth we could jump higher which means that we have a lower mass. According to my research an average person is 6.39 kg on mars.
Answer:
Organic matter
Explanation:
As organic matter continue to build up in a pond, vegetation will begin to appear in the pond. The first set of vegetation to appear are the floating vegetation. Subsequently, submersed plants begin to grow also.
With time, organic sediments continue to fill the pond and its depth is gradually decreased. A swamp or bog is now formed.
This trend of succession continues until the pond eventually turns into land.
Answer:
2 ans : the bell has 8550 J energy
