Exam 21: Climate Change

_____ refers to geoengineering efforts to control the amount of solar radiation being absorbed by the Earth system and reflecting it back to space.

Weather is a long-term average of climate.

Cloud droplets and _____, which are small particles suspended in the atmosphere, together relfect around 23% of the incident solar radiation back to space.

The _____ is the Earth's primary source of energy.

Agriculture and biodiversity will be enhanced with increased global temperatures.

Greenhouse gases can survive in the atmosphere for different amounts of time, which is known as _____.

Heat energy from solar radiation absorbed at the Earth's surface is known as _____.

The troposphere is the lowest layer in the atmosphere.

Which of the following is not a paleoclimate proxy?

Two ways in which concentrations of CO₂ million of years ago can be reconstructed is from the density of stomata in fossilized leaves and _____

Climate change will affect human populations in all but the following ways:

_____ refers to large-scale intentional efforts to modify Earth's climate.

The instrumental temperature record is temperature records from direct measurement.

There is some evidence that increases in greenhouse gas concentrations are responsible of the vast majority of global warming over the last century.

Which of the following layers of the atmosphere contains the ozone layer?

Paleoclimate studies require that scientists find paleoclimate _____, materials that have retained a unique signature of the ancient climate conditions.

Which of the following atmospheric gases are derived from both natural processes and anthropogenic processes?

How will agriculture be impacted by climate change?

Moving away from fossil fuels will remove 200 billion tons carbon from our atmosphere over the next 15 years.

Global temperature trends are typically taken as the average over the entire planet.