Do you think that 30 grams of gravel will occupy the same amount of space as 30 grams of sand?

heat or electricity in the atmosphere- c.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.