A system absorbs 12 j of heat from the surroundings; meanwhile, 28 j of work is done by the system. what is the change of the internal energy δeth of the system?'

A force is a vector that has both

Which of the following is the best explanation of the difference between prejudice and discrimination?

Xander lit his Bunsen burner. He then reached over the burner to get his chemicals. He performed the lab, but at the end, he dropped a test tube on the ground. He immediately told his teacher, who cleaned it up so he could finish the lab.

What is Bad friction?

What scientist is well known for his theory of relativity?

Why is it useful for pairs of DNA to be held together by men bonds and not covalent bonds?

World class speed skaters can skate a 3,000-m course in about 4 minutes. What is their average speed for this course? A. 12.5 m/s B. 1.33 m/s C. 1.25 m/s D. 13.3 m/s

A building that is 105.50 ft. feet tall is casting a shadow that is 37.50 ft. feet. If the building next to it, is casting a shadow of 41.00 ft. feet, how tall is that building?

What is the technical name for super glue type adhesives

On his fishing trip Justin takes the boat 25 km south. The fish aren't biting so he goes 10 km west. He follows a school of fish 15 km north. What distance did he cover? What was his displacement?