Which of the following is an element?

a. zinc metal (zn)

b. carbon monoxide gas (co)

c. magnesium chloride salt (mgcl)

d. hydrochloric acid (hcl) ?

How to calculate percentage of phosphorous in aluminum phosphate

Is 61 degrees considered cold?

A strong, light material made of the element carbon 2 words

Given that an electromagnetic wave is generated by an oscillating electron, how are the frequency of the wave and the oscillation frequency of the electron related?

How can you prepare for a background check? a. Maintain good credit b. Be truthful on resumes and applications c. Obtain and verify credit reports and personnel records d. All of the above

Detailed explanation of why the sky is blue

Becky leaves home and write a distance of 30 KM it took her 2.5 hours what is her speed

Describe the weather associated with a high presurre system

Which of the following is equal to distance/time?

Which of the following should you always wear to avoid being thrown from a vehicle and then crushed if it tips over?