Science ──> NEED HELP NOW NO TIME PLS {Biodiversity Unit Test ─> Unit 4 - Lesson 23}
PLEASE HELP I NEED THIS NOW!!
─────────────────────────────────── ──────────────────────────
Although some studies suggested the presence of water on Mars, the planet represents a hostile environment for human habitation. Scientists are currently researching ways to support potential human colonies on the Red Planet. Scientists have created closed ecosystem models that allow them to control factors such as moisture and temperature. In some of these closed ecosystems, plant growth experiments are being run using simulated Mars soil made of volcanic rocks from Earth.

Given this information, in three to five sentences, describe one (nonplant) organism that could contribute to an important ecosystem service for this system and describe one ecosystem service that you benefit from due to your local ecosystem that is probably not available on Mars.

(4 points)

{eassy} i need to get this right so please send me the answer

An internally reversible refrigerator has a modified coefficient of performance accounting for realistic heat transfer processes of where qin is the refrigerator cooling rate, qout is the heat rejection rate, and is the power input. show that copm can be expressed in terms of the reservoir temperatures tc and th, the cold and hot thermal resistances rt,c and rt,h, and qin, as where rtot rt,c rt,h. also, show that the power input may be expressed as 1.39 a household refrigerator operates with cold- and hot-temperature reservoirs of tc 5 c and th 25 c, respectively. when new, the cold and hot side resistances are rc,n 0.05 k/w and rh,n 0.04 k/w, respectively. over time, dust accumulates on the refrigerator’s condenser coil, which is located behind the refrigerator, increasing the hot side resistance to rh,d 0.1 k/w. it is desired to have a refrigerator cooling rate of qin 750 w. using the results of problem 1.38, determine the modified coefficient of performance and the required power input w under (a) clean and (b) dusty coil conditions. internally reversible refrigerator qout qin w high-temperature reservoir low-temperature reservoir th th,i tc,i tc high-temperature side resistance low-temperature side resistance w qin th tc qinrtot tc qinrtot copm tc qinrtot th tc

The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.

Which describes increasing the efficiency of energy resource