Answer:
Comparative- investigations show relationships that do not always indicate cause-and-effect relationships.
Experimental- investigations cannot perfectly reproduce the conditions of the natural world.
Descriptive- investigations often are not repeatable because the results may change over time.
Explanation: I just did this on edge
Answer:
I dont know the first blank but I know the second one is groups and the last one is periods.
Answer:
422.3868 Grams
Explanation:
13.2 (MOLES) * 31.999 (Dioxygen's Molar Mass) = 422.3868 (Grams Present)
Answer:
The ball hit with 12 N
Explanation:
acceleration = Force/ mass
If masses of balls are the same, then more the force - more acceleration.
12N more than 8N,
so the ball that hits Stacy accelerate faster.