2questions
weathered debris is a result of
a.) frost wedging
b.) oxidation
c.) rainfall
d.) wind erosion
an ephemeral stream gets most of its water from
a oceans
b other streams
c rain
d floods

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Standard deviation of 19,29,21,22,23

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?