Answer:
17. A
18. A.
19. C.
Explanation:
(correct me if I'm wrong)
A) rare to find and hard to form because in the passage, it mentions that you need specific conditions but they are hard to find (because they get destroyed before they are discovered)
Answer:
"steam rising from a coffee mug"
"smoke rising from campfire"
"frying an egg"
Explanation:
By definition, convection is "the circular motion that happens when warmer air or liquid — which has faster moving molecules, making it less dense — rises, while the cooler air or liquid drops down." The only examples of this are the ones I listed above, in the answer section.
It’s not the riches in life that makes it valuable it’s the people
