In which sealed container would the organisms be able to continuously cycle
o2 and co2 gases?
o
a. a terrarium with a frog and a pool of water
o
b. an aquarium with water plants and a snail
o
c. a terrarium with mice and wood shavings
o
d. an aquarium with fish and plastic plants

Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final