During an Experiment a scientist notes that a sample turned red.

which kind of data did the scientist record

A. average data

B. quantitative data

C. measured data

D. qualitative data

If most objects are made up of free space then why can we put our hands through a book or wall?

Which statement is true regarding a triation

What is a P. E diagram?

Does Silicon-32 has a half-life of 170 years and can be used to find the age of rocks it is contained in.

Warm air above large bodies of water rises into the atmosphere, carrying with it water vapor that forms clouds. Likewise, as air in the upper atmosphere cools, it falls back to the lower atmosphere, where it is warmed once again.

Which metal is more active than tin, but less active than zinc

Why does the amount of energy available change as you move from one trophic level to the next?

What type of bond holds metal atoms together?

Imagine you are purifying a protein which accounts for 0.001% of the total protein within a cell. how many steps of purification are required to yield pure protein, assuming a 10 fold purification with each step of purification?

If an object has the mass of 109.67 g and a volume of 16.99 cm3 what's its density