CCC Structure and Function Write your ideas for counting the sand grains using the measuring spoon. Decide if the idea would lead to an exact count or an estimate. Suggest how you could improve your ideas.

What are transitions between a liquid and gas called? identify which way they are transitioning

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.