7. technician a says that one reason to use several small valves instead of two larger valves is to increase the size of the
open port when the valves are open. technician b says that the area of two small valves added together is often smaller than
the area of one larger valve. who is right?
o a. technician a only
o b. neither technician a nor b
c. technician b only
o d. both technicians a and b

Southern tick-associated rash illness (stari) is a disease often carried by deer ticks in the southern united states. which sentence best explains how climate change could increase the number of stari cases? a. infectious diseases may become more widespread as ticks increase their range. b. ticks may weaken the animals they feed on, causing more deaths in the population. c. people who work in agriculture may have to relocate to find new employment. d. rising seas and flooding may result in the displacement of millions of people.

If calculating interest by the previous balance method, purchases and payments during the month __ counted in calculation of interest. a. are b. are not c. must be d. are sometimes

Along with removing drugs from the body, the kidneys also a. balance ph levels b. release hormones that regulate blood pressure c. release hormones into the stomach d. a and b