Which statement is true?

a. "Don't let the cold energy out of the fridge!"

b. "Don't let the energy out of the fridge!"

research Eratosthenes' experiment and write about the significance of this experiment and how he used it to determine the circumference of Earth.

In a population of desert plants, the timing of their blooming varies greatly. Some bloom early in the morning, others at mid-day, and others after dark. What environmental pressure might be an advantage for those plants that bloom after dark?

this refers to the process of manufacturing that introduced powered machinery to the production of goods

Which of the following sequences correctly displays the energy transformation from the inside of a battery to the igniter inside a car's engine?

What is the matter of glass

A student pulls a 60 Newton sled with a force having a magnitude of 20 Newton's. What is the magnitude of the force that the sled exerts on the student

The four basic properties of lighting are

Which of the following is the correct SI unit to use in measuring the mass of a boulder A. ounces B. tons C. kilograms D. pounds (I'm sorry If I didn't pick the right subject!)

Which of the following can be thought of as either a wave or a particle? a. light b. an electron c. a proton d. all of the above

Universal law in effect at all times?