Decreased number of fish in the lake
Increased nutrients and algal blooms
Increased number of fish in the lake
Decreased number of plants surrounding the lake
The turbidity of the lake may decrease
The number of fish and other aquatic life may increase.
The water quality of the lake may decrease.
The amount of dissolved oxygen in the lake may increase.
The daily release of hot water into the pond from a local factory.
A hurricane temporarily stirring up water and sediments in the pond.
The occasional release of sediments into the pond from a nearby field.
A small increase in the number of fishers who use the pond for food.
Some of the water evaporated.
Oxygen has less mass when it is combined in a compound.
When water combines, some of the mass is changed into heat.
Hydrogen has less mass when it is combined in a compound.
500,000 years old
1 million years old
2 million years old
3 million years old
They are both structures used in reproduction.
They are both structures used in digestion.
They are both structures used in circulation.
They are both structures used in movement.
Carbon (C) is a gas.
Radon (Rn) is a metal.
Fluorine (F) is a liquid.
Francium (Fr) is a metal.
In a row
In a line
In a group
In a period
A transition metal
By increasing atomic mass
By decreasing atomic mass
By increasing atomic number
By decreasing atomic number