For approximately how long has life existed on the surface of the earth visible without a microscope

What causes seasons to occur in certain zones? a. tilt of Earth axis b. height of mountains c. longitude of the zone d. amount of rainfall

Why does a mirror get misty after a shower?

Which of the following is a temporary magnet made by placing a piece of iron inside a current-carrying coil of wire

Example 1: A length of wire is cut into five equal pieces. The five pieces are then connected in parallel with the resulting resistance being 2.009. What was the resistance of the original length of wire before it was cut up?

The magnitude of the magnetic flux through the surface of a circular plate is 5.90 10-5 T · m2 when it is placed in a region of uniform magnetic field that is oriented at 42.0° to the vertical. The radius of the plate is 8.50 cm.

Hat is a scientific theory? Make up your own scientific theory.

Which of the following is an example of a velocity? O A. 12 m/s O B. 45 km/hr south O C. 55 km/hr D. - 5 m/s2 east

What was the total weight (lbf) of chocolate in the vat? the specific gravity of chocolate is approximately 1.24?

You are in the lab and are given two rods set up so that the top rod is directly above the bottom one. The two straight rods 50-cm long are separated by a distance of 1.5-mm each with 15 A of current passing through them.

What is the explanation for feather beds being warm