Question 5 (2 points) (04.03 MC)
Which types of changes must follow the law of conservation of mass? (2 points)
O a
Both physical and chemical changes
Ob
Neither physical nor chemical changes
Ос
Only physical changes
Od
Only chemical changes

chemical weathering

explanation:

you dont brother god luck

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides