13. The structure of monomers PP and QQ are as shown.
CH2=CHCI
CH3CH=CF2
PP
QQ
Draw all possible structures of homopolymer and copolymer which can be formed from monomers PP and QQ.​

What is the density of the black hole

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.