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

a.

boron

b.

arsenic

c.

germanium

d.

silicon

The organized set of rules to assign names to chemical compounds is called:

What is pitch measured in?

Group polarization is most likely to occur in a group in which

A force of magnitude 25 N and directed at an angle of 37 degrees above the horizontal is used to move a 10 kg crate along a surface at a constant velocity. How much work is done by the force in moving the crate 15 m? a. 107 Jb. 0 Jc. 98 Jd. 40 J

Which organism did we virtually dissect today? Question 1 options: frog worm starfish pig

Which of the following is not one of the reasons to properly warm up before exercising? A. Develop overall flexibility. B. Increase blood flow to the muscles and raise body temperature. C. Prevent injuries such as strains sprains and muscle cramps.

you are not chilly when swimming in warm water. but when emerging from warm water on a warm summer day, you feel chilly if the wind is blowing. Explain

A Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0 cm and a mass of 6.00 g.

A geologist finds ripples preserved in ancient sedimentary rock that look just like ripples made by water in mud. He concludes that there was once water in that location that created the ripples. Why is this conclusion reasonable?

In science what is the requirement of doing work?