In "Close Encounters of the Bear Kind," what is the author's point of view toward bear researcher, John Hechtel?

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

What type of graph presents information about how often certain or traits occur?