Salutations!
<span>The smallest part of an element that can be involved in chemical reaction is a(n) ------
</span><span>The smallest part of an element that can be involved in chemical reaction is a(n) atom. Atoms are the smallest particle in an element, and it is the smallest particle that can ever endure.
Thus, your answer is option A.
Hope I helped :D</span>
Constant = straight line
“Travels at constant negative acc.”
Which is negative slope
Solution: B. Straight line w/ neg. slope
A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
<em>The core accretion model Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula. Gravity collapsed the material in on itself as it began to spin, forming the sun in the center of the nebula. With the rise of the sun, the remaining material began to clump together.</em>
<em />
<span>D.Condensation There
</span>