Answer:
An independent variable is one which can be changed or manipulated in an experiment. The effect of the independent variable is observed on the dependent variable. The dependent variable is the one which does not change or manipulated in an experiment by the investigator. The changes that occur in the dependent variable with respect to the independent variable is the outcome of the experimentation process.
In the given situation, the medicine and the placebo drug are the independent samples whereas the effect of the medicine and placebo drug can be observed on the time they require to cure the headache is the dependent variable.
Answer:
Water flowing in rivers and streams
Explanation:
Gravity causes precipitation to fall from clouds and water to flow downward on the land through watersheds.
Sensory neurons receive impulses and carry them from the sense organs to the spinal cord or brain. Interneurons connect sensory and motor neurons and interpret the impulse. Motor neurons carry impulses from the brain and spinal cord to muscles or glands. Draw and label the structure of a typical nerve cell.
Answer: 32 unique gametes
Explanation:
AaBbCcDdEe = 2 × 2 × 2 × 2 × 2 = 32
There's 2 for each pair of heterozygous genes.
By studying the environment around the people to come to conclusions on how to ease the the heat.