The density of water is 1 g/cm'. A substance will float if its density is less than that of water. Which of the following substances will float? Mass
Substance
1
2
69
89
10 g
Volume
3 cm
4 cm
2 cm
3
4
29
4 cm)
Substance 1
Substance 2
Substance 3
Substance 4

What material does not melt at any temperature

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

How many grams are in 68.2 molecules of br2?