Answer:
The soil and rocks in the zone of aeration have pores which are partially filled with water and air. The zone of saturation comprises rocks and soil whose pores are saturated with water. 3. The zone of saturation lies beneath the water table, while the zone of aeration lies above it.
Explanation:
Answer: Medication can be tested on the cancer culture before being injected into the patient.
Answer:
Producers are the foundation of a food chain.
Explanation:
They provide energy for all of the consumers in an ecosystem.
Answer:
C. The trout population decreases as oxygen levels decrease.
Explanation:
We can see that the relationship between the number of trout and time passed is decreasing from the graph on the right because its line is decreasing. From the graph on the left, we can see that oxygen is decreasing as time goes on. Thus, we can interpret that the trout population decreases as oxygen levels also decrease; a proportional relationship.
The other options are incorrect because we can actually see that for...
A; the population of whitefish actually decreases as oxygen levels also decrease.
B; the population of carp actually increases significantly as sewage levels increase.
D; the walleye population actually also decreases overall as sewage levels increase.
Answer:
Bioluminescence is light produced by an organism using a chemical reaction. While usually blue in color, because this is the light that travels best through the water, bioluminescence can range from nearly violet to green yellow and very occasionally red.
Explanation: Might be wrong