Answer:
Wavelength and frequency are inversely proportional to each other. Such that longer waves have lower frequencies, and shorter waves have higher frequencies. The amplitude or height of a wave is measured from the peak to the trough.
The dependent variable is the variable that is being measured or tested in an experiment.
independent variable is the cause of a change in or effect on the dependent variable.
D. An encyclopedia. Encyclopedias are trusted and have reliable information. I feel like this shouldn't be posted in biology though
Answer:
BOTONY:
any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.
MEDICINE
:
an artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea.
Explanation: