On the line segment, each 'one' is divided into ten parts by small lines. Since the line segment is 3 full units long and each unit is 10 parts, the length of the line segment is known to the nearest tenth. The answer is 3.0
He disproved that living cells come from non living things
C , the potential energy of a 500kg boulder
5- sr +2 O -2. SrO
6- Mg +2 F-1 MgF2
7- B+3 P-3 BP
8- Li +1 N-3 Li3N
9- Ba +2 Br -1 BaBr2
10- Al +3 P -3 AlP
