Physical science please help me.?

1. B; 2 A; 3 D; 4 B; 5 D; 6 B; 7 D; 8 A; 9A; 10 c; 11 B; 12 C; 13 A; 14 C; 15 B; 16 D; 17 A; 18 B; 19 B; 20 C; 21 D; 22 C; 23 A; 24 D; 25 A;