The spreading process of a primary tumor is called , and the dispersion of malignant cells to establish a secondary tumor is called

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat