What describes chemical weathering it has more that one answer

John lennon and paul mccartney belonged to this group

Which of the following policies is an example of a command-and-control policy? a. subsidies to education b. maximum levels of pollution that factories may emit c. tradable pollution permits d. none of the above is an example of a command-and-control policy.

Which states universal prekindergarten has been most effective in preparing children for school?