Which statement is true? the wavelengths that make up the electromagnetic spectrum each have the same amount of energy. human beings can see only a small fraction of the wavelengths that make up the electromagnetic spectrum. photons are units of light that travel from the sun to leaves in the same way that particles travel through space. photons reflected by pigments in leaves are used by leaves to carry out photosynthesis.

Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data

Study this image which statement best describes the rock shown check all that apply

What substance acts to prevent sudden ph changes in bodily fluids?