The correct answer is option B. A molecule is two or more atoms (same or different) bound together. It is the smallest particle in a chemical element or compound. Molecules are held together by chemical bonds. These bonds are formed by the sharing or transfer of electrons between atoms.
A. Petrified fossil should be the answer
Answer:
945 km
Explanation:
remember the formula using the triangle DST: just keep in your mind dst
D fr distance, s fr speed or velocity, t fr time
...........D..............
......S..........T.........
distance = velocity * time
= 210 * 4.5
= 945 km
Answer:
D
Explanation:
Because it has equal number of elements on each side of the arrow