Who makes sure to pick up trash and take care of earth like it's a baby?

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

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

All of the following actions are examples of civil disobedience, except a.) refusing to pay an unfair tax b.) refusing to use government services c.) participating in a protest march d.)planning a riot to destroy a government riot