Which metalloid is often found in microchips, semiconductors, and sand?

a.

boron

b.

arsenic

c.

germanium

d.

silicon

Why are TV shows nowadays so boring?

How does speed affect the friction between a road and a skidding tire?

A moving freight car collides with an identical one that is at rest. If momentum is conserved, what happens to the second car after the collision?

Ocean depth is usually measured in fathoms, but that is not a relatable unit and is often converted. Echosounding determined the depth of an area off the coast of Bermuda to be 780 fathoms. How many meters is this? (1 fathom=1.8 meters)

Magnesium (Mg) has 12 protons and an atomic mass of 24. How many neutrons does magnesium have?

A circuit is built based on the circuit diagram shown. A diagram of a closed circuit with a power source on the left labeled 60 V. There are 3 resistors in parallel, separate paths, connected to it labeled 40 Ohms, 50 Ohms and 30 Ohms.

After harvesting their main crops, such as corn and wheat, many farmers plant a second crop called a cover crop. This cover crop grows during the fall and winter and is then plowed over in the spring. What is the main purpose of a cover crop? A.

A light wave is traveling straight up out of the ocean then moves out into the air how do you expect the movement of the light wave to change the light wave will

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves