Which of the following is true about natural selection?

A.) It occurs extremely rapidly

B.) It can always be observed within a single generation

C.) It causes mutations to occur

D.) It causes more useful traits to be passed to offspring

When is chemical energy transformed to potential energy

Imagine that you are working as a roller coaster designer. You want to build a record breaking coaster that goes 70.0 m/s at the bottom of the first hill. You estimate that the efficiency of the tracks and cars you are using 90.0%.

A 0.023 kg beetle is sitting on a record player 0.15 m from the center of the record. If it takes 0.070 N of force to keep the beetle moving in a circle on the record, what is the tangential speed of the beetle?

0.025563g should be reported as

Cell use transport as one way to maintain

Explain why data organization is an important part of scientific inquiry describe two types of graphs that can be used to organize and display scientific information

When conducting scientific research, any information that is found must be analyzed to determine its validity. John believes that UFOs and extraterrestrial life exist. The excerpts below are an eyewitness account of UFO activity in South Carolina.

How much work is needed to lift a 3kg mass a distance of 0.75m

The type of current supplied by a battery in a flashlight is an alternating current. True or False?

A. What is the change in internal energy if 500 J of heat is added to a system and 100 J of work is done by the system? Show your work. b. Describe two sets of conditions of heat and work that cause a decrease in internal energy. c.