Which of the following best explains why cells remove waste?

A. To create energy

B. To form identical cells

C. To break down glucose

D. To maintain homeostasis

Which of the following physical laws or principles can best be used to analyze the collision between the object and the pendulum bob? Which can best be used to analyze the resulting swing? 1. Newton's first law 2. Newton's second law 3.

Which steps are involved in desalination of water? Check all that apply

Which statement accurately describes radiation? Radiation needs matter to transfer thermal energy. Thermal energy is transferred by electromagnetic waves. Ironing a shirt to take out wrinkles is an example of radiation.

How could you show that sound travels through water?

6. Two blocks are released from rest at the same height. Block A slides down a steeper ramp than Block B. Both ramps are frictionless. The blocks reach the same final height indicated by the lower dashed line. Block B weighs more than Block A. a.

In a class debate, a student argues that the big bang theory is "just a theory." What is most likely to be this student's understanding of scientific theories? A. Theories agree with observations of nature. B. Theories are just guesses. C.

Look at the advertisement. A poster that reads, "There's more to resistors than resistance. If you're really serious about cost, be serious about quality." with tools. Which persuasive media technique is used in this advertisement

If you were told an atom was an ion, you would know the atom must have a

When a potential difference of 13 V is placed across a resistor, the current in the resistor is 1.4 a. What is the resistance of the resistor?

Person with a mass of50 kg jumps up from the earth with an acceleration of 20 newtons. what is his acceleration?