What did the protoplanets become?
a. nebulae
b. planets
c. solar nebulae
d. planetesimals
The protoplanets
become nebulae. The answer is letter A. The
rest of the choices do not answer the question above.
Answer:
The value is
Explanation:
From the question we are told that
The speed is
The radius of the earth is
Generally the circumfernce of the earth is mathematically evaluated as
=>
=>
Generally the time taken is mathematically represented as
Converting to days
=>
Answer:
C. Neutral
Explanation:
Ions will combine in a way that the overall ionic compound will always be neutral.
M/s^2 is the correct answer
Answer: The atomic number is the number of protons in an atom, and isotopes have the same atomic number but differ in the number of neutrons. The number of protons in an atom is called its atomic number. This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms.
Explanation: