Is there any choices or is this a fill in the blank question?
B) is a right answer because molar mass equal molecular atomic mass meaning Ar(Na)=23 and so M(Na)=23 as well.
Answer:
light
According to Newtonian gravity, light is not affected by gravity, as light is massless. Einstein's law E = mc 2, immediately suggests that light is affected by gravity. This is indeed the case and has experimentally be observed via gravitational lensing and other effects.
Explanation:
I thought I'd just answer here as well so I can get a couple extra points :)
I'm super glad I helped <3
Answer:
Physical
Explanation:
Olive oil, vinegar, salt, and pepper are shaken together to make salad dressing. Physical or chemical change?
Physical