Answer:
A,B,E
Explanation:
A) Elements can't be physically separated.
B) Elements are indeed made of only one type of atom
E) Elements cannot be broken down into a simpler form, at least not without a ton of energy being released as an explosion :)
Answer:
There are 4,626 apples in the truck.
Explanation:
Mass of 5 apples = 1250
Mass of an apple = 
Mass of apples in the truck = 2550 lbs
1 lbs = 453.592 g

Let the number of apples with mass of 2550 lbs be a.


4,626.63 ≈ 4,626
So, there are 4,626 apples in the truck.
Answer:
Both types of waves transfer energy
Explanation:
I think that's right
Answer:
I believe it's false because the atomic number is the number of protons in the nucleus of an atom.