Some of the work input is always used to overcome friction in a machine.

true
false

In the city of newark, a young man named annoying was admitted to the e.r. he and his friends were trying to imitate the movie project x. his friends say he started twitching and having muscle spasms which progressed until he was stiff as a board. in his pockets, he had unmarked dark yellow tablets which dark flecks. analysis of the tablets showed them to contain a mixture of ecstasy and strychnine. ecstasy would not cause this clinical picture, but strychnine would. explain why?

The first step in treating water from a river or lake is usually

Send sperm live for about 48 hours after ejaculation and ovum for only 24 hours after ovulation intercourse can occur after ovulation for fertilization to occur