The ratio of an angular speed of hours hand and second hand of a clock is
(a) 1:1
(b) 1:60
(c) 1:720
(d) 3600:1​

Drag and drop a statement or reason to each box to complete the proof. statement reason △abc , de⎯⎯⎯⎯⎯∥ac⎯⎯⎯⎯⎯ given corresponding angles postulate △bde∼△bac babd=bcbe polygon similarity postulate ba=bd+dabc=be+ec bd+dabd=be+ecbe substitution property of equality bdbd+dabd=bebe+ecbe addition of fractions 1+dabd=1+ecbe simplify. dabd=ecbe subtraction property of equality

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Weathering is an example of an external force of change. question 2 options: true false