If major polluters overshoot their maximum allowed levels of emissions, they can purchase pollution rights from other companies.
a. true
b. false

Aschool principal ordered 1,000 pencils. he gave an equal number to each of 7 teachers untill had given out as many as possibe. how many pencils were left?

Hich of the following best summarizes the text’s depiction of the ancient indus valley cities (namely harappa and mohenjo-daro)? a. the cities were very plain and simple; the people did not focus on art and architecture, devoting their time instead to agriculture and the bare essentials. b. the cities were adorned, or decorated, with almost overwhelming displays of wealth and artistic architecture. c. the cities were extremely clean, relying on an advanced water and sewer system, though this was mainly constructed for the innermost areas of the cities. d. the cities were clean and peaceful, and they were designed in an extremely organized fashion, using an advanced water and sewer system to keep them this way

Witch layer of the atmosphere has the most air pressure