All of the following are examples of commonly used tools in relief printing, except which?
a. lead
c. paper
b. mat knife
d. gouge

What is the correct equation for cellular respiration?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.