Year 10 Global Issues

The sphere containing humus in soil, rocks, coal and oil deposits:

• Hydrosphere
• Lithosphere
• Atmosphere
• Biosphere

As greenhouse gases increase, oceans are becoming...

• clearer
• saltier
• more acidic
• muddier

The main human activity that releases greenhouse gases is:

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

Water vapor is a greenhouse gas

• True
• False

Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above

Energy transmitted as rays, waves, or in the form of particles is:

• radiation
• kinetic energy
• heat
• chemical energy

The outermost layer of the atmosphere, where the auroras occur, is called the

• troposphere
• thermosphere
• mesosphere
• stratosphere

The second layer of the atmosphere up from Earth, where the ozone layer is that protects us from harmful UV rays, is the:

• thermosphere
• stratosphere
• troposphere
• mesosphere

Which of the following is NOT a greenhouse gas?

• Oxygen
• Carbon Dioxide
• Methane
• Nitrous Oxide

El Nino occurs when the tropical ocean waters are warmer in which ocean?

• Atlantic
• Indian
• Pacific
• Arctic