Which method of separation can be used for a heterogeneous mixture?

A. by distillation

B. by densities

C. by chromatography

D. by acidification

Which of the following factors will increase the current in a stationary wire loop? A. Increasing the speed of an approaching magnet B. Decreasing the speed of a receding magnet C. Increasing the strength of a stationary magnet D. All of the above

In 12 s, a wire delivers 96 c of charge. the current in the wire, to the nearest whole number, is

How does the body maintain homeostasis when its inner temperature becomes higher than the normal body temperature? by shivering by sweating by producing goose bumps

A car starts from rest at a stop sign and reaches a velocity of 25 m/s W in 4 seconds. Determine the acceleration of the car. Question 3 options: A) 6,25 m/s2 B) 6.25 m/s C) 100 m/s2 D) 100 m/s

Which best describes the transition from gas to liquid? A. Energy must be removed because particles in liquid move more slowly. B. Energy must be added because particles in liquid move more quickly. C.

A spring (k = 790 N/m) has a length of 48 cm when zero net force is applied to it. What will its length be when 230 N of force is applied to stretch it? Question 3 options: 3.4 m 0.77 m 3.9 m 0.29 m

Inert gas used to make bright city lights True or False

A boulder on top of a cliff has a potential energy of 12400J. How high above is the boulder?

If the graph represents speed what is measured on the x and y axes

It is difficult to lift a heavy stone than the lighter one on the earth, why?