What element in the periodic table is the basis of all organic molecules

A dc motor uses what to move wires A. Differences in electric resistance B. static electricity C. An electromagnetic field D. Flowing protons

Which of the followin are chemical changes? check all that apply: gasoline is evaporated, water is frozen, water is boiled, water is heated up, gasoline is burned

How do we calculate wave speed

Early physicists would talk in front of audiences to earn a living. in doing so often the topic of static electricity was illustrated by stringing up a street urchin and doing what?

Will neutering a cat keep him from running away

A potter's wheel of radius 16 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 10 rad/s. what is the angular acceleration? answer in units of rad/s 2.

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?