Answer:
Pre-dusk, early to medium twilight phases allow outdoor activities without using artificial lighting
Explanation:
Civil twilight is a term, and we describe it as "the time after sunset and before sunrise ends or begins when the sun seems to be about 6 degrees underneath the horizon during which the light for normal outdoor occupations is adequate on clear days.
Nautical twilight is the second stage of twilight. By this time, both horizon and the brighter stars are easily visible, making navigation around sea possible.
Astronomical twilight occurs whenever the Sun is under the horizon between 12° and 18°
Pre-dusk, early to medium twilight phases allow outdoor activities without using artificial lighting
I need a better pic of the other side but......15 is D 9 is rain
Answer:
The plate motion that occurred near the Great Plains and Rocky Mountains uplifted igneous rock that formed underground. This rock eventually eroded and its sediment formed sedimentary rock in the Great Plains. ... Uplift and subduction can expose rock formations to different energy sources, which can transform them.
Answer:
Multiple relationships are present.
Explanation:
There are multiple relationships present in every ecosystem such as predation, commensalism, parasitism, and mutualism because every organism depends on other organism for survival. Some organisms feeds on another organisms by killing it, this type of relationship is known as predation . In commensalism, one organism gets benefit while the other get neither benefit nor harm. In parasitism, one organisms get benefits while the other get harm whereas in mutualism, both the organism gets benefits.
A.) Inexpensive land in major cities
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