Human Impact on the environment

2 factors that affect human population are birth rate & death rate

• True

• False

Tags

NGSS.MS-ESS3-4

·      Population growth is how the number of people increases or decreases over time

• True

• False

Tags

NGSS.MS-ESS3-4

Population Increases when...

• Birth Rate and Death Rate are equal.

• Birth rate is lower than death rate

•  Birth rate is higher than death rate

Population DECREASES when....

• Birth Rate and Death Rate are equal.

• Birth rate is lower than death rate

• Birth rate is higher than death rate

Population growth is stable when......

• Birth Rate and Death Rate are equal.

• Birth rate is lower than death rate

• Birth rate is higher than death rate

Advances in ............................................. reduce the death rate

• Advances in technology.

• Advances in farming.

• Advances in medicine

• Advances in transportation

Rapid growth of a population is called

• Exponential growth

• Fast growth

• Huge growth

................... is the introduction of harmful materials into the environment.

• Smog

• Pollution

• Emission

Tags

NGSS.MS-ESS3-3

................... are pollutants that are loaded with chemicals that mix with the gases in the air.

• Acid rain

• Emissions

• Smog

Tags

NGSS.MS-PS1-3

Thick brownish haze forms when emissions react with sunlight.

• Acid rain

• Oil

• Smog