List the new sediments that would be eroded (transported) by a stream that increases its velocity from 0.3 to 100 cm/sec

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

particle   p is an electron and particle q is a neutron