Which of the following is formed by covalent bonds?
a. Compounds
b. molecules
c. mixtures
d. solutions

Me how do you name a compound with more than two elements?

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.