Answer:
2
Explanation:
The 1 & 2 are both signifigant becuase they are presented in scientific notation.
The deepest part of the ocean is the Marianas Trench, where the water pressure is 1,000 times that of which is found at sea level.
Answer:
Animals are important because without them we wouldnt have any food
Explanation:
Answer: 45
Explanation:
Recall that mass number = number of protons + number of neutrons. Hence, the mass number of the atom
= 22 + 23
= 45
Furthermore, the atomic number is equal to the number of protons. Hence, since the number of protons is 22. the atom has an atomic number of 22
Thus, An atom that contains 22 protons,
23 neutrons, and 22 electrons would have a mass of approximately 45
Answer ( 3 ) :
<span>conversion of matter to energy .
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hope this helps!
