3. Use the information below to answer the following question(s).
A hiker walks from the upper rim to the bottom of a large canyon. At the bottom of the canyon, the hiker camps
for the night. The map below shows the trail the hiker used.
A large river flows along the bottom of the canyon. The vertical distance between the upper rim of the canyon and
the river is 1.743 meters.
Brain Dump
What process is most responsible for the depth of the canyon?
One large flood moved the rock layers.
B Hot magma melted a path through the rock layers.
Many strong tornadoes eroded the rock layers over time.
D Flowing water eroded the rock layers slowly over many years.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

In what layer of the sun is energy transfers between atoms

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands