A substance that protects cells from being damaged by oxidation

1. Which cell organelle is popularly known as power house of the cell. Why?

What statement best explains their findings? A) The downward force of gravity is less on the notecard because it has less mass. B) The upward force of friction is greater on the notecard than the other objects.

A force of 1500 N is applied to a 1500 kg out. What is the acceleration of the car?

What conditions are required for nuclear fusion?

World class speed skaters can skate a 3,000-m course in about 4 minutes. What is their average speed for this course? A. 12.5 m/s B. 1.33 m/s C. 1.25 m/s D. 13.3 m/s

4. The place on a magnet where the magnet exerts the strongest magnetic force is the magnetic A. pole. B. force. C. domain.

A motorcycle is capable of accelerating at 5.1 m/s2. Starting from rest, how far can it travel in 1.5 seconds? A. 3.8 m B. 4.5 m C. 3.2 m D. 5.7 m

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

An element in period 4 would have how many electron shells

Olivia wants to find out whether a substance will fluoresce. She says she should put it in a microwave oven. Do you agree with her? Why or why not?