Erosion of the beach is normally a slow process. What is one factor involved in this erosion?

A) animal motion

B) changing tides

C) emptying rivers

Eliminate

D) building coral reefs

Explain the statement "the lower down in the food chain we eat, the greater percentage of solar energy we put to use, and the more people Earth can support" in terms of trophic levels and pyramids of energy.

How fast would 0.145 kg baseball have to go to have a kinetic energy of 88.7 J?

Which of these is an example of the interactions between the ocean and the biosphere?

Who was the scientist that developed the Electron Cloud Model

Which best describes a graph of voltage over time for DC current? sine curve straight, horizontal line parabolic curve sawtooth wave

A database that is flexible and easy to use was recently installed. the data is stored in rows and columns much like a spreadsheet. what type of database must have been installed?

What did johannes kepler contribute to the study of planets

Baseboard heaters are basically electric resistance heaters and are frequently used in space heating. A homeowner claims that her 5-year-old baseboard heaters have a conversion efficiency of 100%.

Explain why the brakes of a car get much hotter than the brakes of a bicycle?

If 10,000 J of work was done to raise a 225 kg box, how high was the box raised?