Matter can undergo chemical reactions and nuclear reactions. Which feature of the components only stays the same in chemical reactions? A. Numbers of atoms B. Chemical bonds between atoms C. Types of compounds D. Number of compounds

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque