Answer:
option a
Explanation:
a- All matter is composed of small particles.
it is also known as formula for circumfrence which is 2 times pi times radius. if radius was 5 then the circumfrence would be 10pi.
KE=1/2 mv²
= 1/2 × 70 × (6)²
= 1260
It is salt water because they are two things combined together.
Dalton's atomic<span> theory proposed that all matter was composed of </span>atoms<span>, indivisible and indestructible building blocks. While all </span>atoms<span> of an element were identical, different elements had </span>atoms<span> of differing size and mass</span>
