What assumptions are necessary for your procedure for counting sand grains to be reasonable? Explain
your reasoning

What is the main reason why some developing countries fear the increase the free trade policies around the world?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

How many grams of sodium chloride are in 250ml of a 2.5m naci solution