Which of the following pairs of atoms is unlikely to form a compound?
o potassium (K) and lodine (1)
o calcium (Ca) and chlorine (CI)
o iron (1) and sulfur (S)
o Argon (Ar) and Aluminum (AI)

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit