Author Question: On average, the illuminated zone in oceans reaches to a depth of ________, but in some oceans may be ... (Read 62 times)

Pineapplelove6 · **on:** Jul 14, 2018

On average, the illuminated zone in oceans reaches to a depth of ________, but in some oceans may be as deep as ________.

A) 60 m (200 ft); 300 m (1,000 ft)
B) 30 m (100 ft); 900 m (3,000 ft)
C) 200 m (660 ft); 1000 m (3,280 ft)
D) 100 m (330 ft); 500 m (1,640 ft)
E) 20 m (66 ft); 30 m (100 ft)

Question 2

Imagine a profile of soil going to a depth of approximately 10 ft. On a sunny day, the soil at a depth of 5ft will be ________ the soil at the surface because ________.

A) warmer; soil is a good conductor of heat
B) cooler; plate movement mixes the soils and dissipates the heat
C) warmer; geothermal processes heat the deeper soils
D) cooler; land is opaque preventing heating at depths
E) cooler; convective heating will warm the subsurface more than the surface