Scientists impact the fight against AIDS and cancer by finding new technologies to aid in fighting and curing these diseases. Please select the best answer from the choices provided

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Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

What are the pros and cons of transect sampling?

What are positive impacts of algae? how is it used?