3. Infer Do all elements have half-lives? Why or why not?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Explain that newton first law,second law and third law of motion?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature