Control and constant variables? Plez answer

Will Upvote Which electrons participate in chemical bonding? A. the innermost electrons B. valence electrons C. any electrons D. core electrons

Find the element that makes glowing signs, what special group is it in

Most ___ do not carry electricity well.

Nails begin in which layer of the skin

A mover uses 1250 J of energy to move a 25 kg box up an inclined plane to a height of 4 m. What was the mover's efficiency while moving the box?

Four potential forces can act on the ball Which combination of forces will keep the ball in static equilibrium? The length of the arrows represents the magnitude of the force A and B A and C B and D 8. Cand D Submit Force, Mass, and Motion

The resultant of a 50N force acting on an object to the right and a 20N force acting on the object to the left is what

A student conducts and investigation to determine a ball's mass, displacement, velocity and acceleration. (A) Identify each of the following as wither a vector or scalar quantity: Mass, Displacement, Velocity & Acceleration.

A ball is rolling down a hill at + 1.0 m/s, The ball is uniformly accelerating at +4.9 m/s?, What will the ball's velocity be 4.0 s later? +8.9 x 100° m/s +2.0 x 10^1 m/s +2.1 x 10^1 m/s -1.9 x 10^1 m/s

What is the difference between unicellular and multicellular organisms?