One atom of an element a =6.644 *10^-23 gm. calculate the no. of gram atom in 80 kg of it.

Which of the following describes a situation where competition between producers exists

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory