The most commonly contracted type of skin cancer is: a. basal cell carcinoma b. squamous cell carcinoma c. melanoma d. none of the above

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

Which atmospheric later is where earths northern and southern lights occur

According to cell theory; which structures carry out the basic function of living things? a. atoms b. organs c. cells b. nuclei