Which of the following is an element

A. Orange juice

B. HCI

C. Acid

D. Oxygen

Basic explanation of the scientific method

The bullet's horizontal velocity and vertical velocity vectors do not affect each other and are known as

How much kinetic energy does a proton gain if it is accelerated, with no friction, through a potential difference of 1.00 V? The proton is 1836 times heavier than an electron

If the current through a resistor is cut in half, how does the power dissipated by the resistor change? (P=0VI=1^ 2 R = V^ 2 R)

My cant wont come upstairs without me going first why?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity