The Earth's climate story

1 .Geologists study evidence such as ......................... to understand Earth's past climate.

• a. Tree rings ,cloud formation and wind patterns.

• b. Ice cores ,layers of rock and fossil records.

2. Ice ages have impacted Earth's climate by causing,.................in the past:

• global cooling and the formation of glaciers in the past.

• global warming and the melting of glaciers in the past.

3. Archeologists have found evidence in Antarctica indicating a warmer climate in the past,such as ..............

• plant fossils.

• Polar ice caps

4.Human activities may be contributing to global warming through actions like,..................

• burning fossil fuels, deforestation and industrial emissions.

• Planting more trees to absorb carbon dioxide.

It is important for humans to take action regarding global warming because..............

• the Earth's climate will naturally balance itself out over time

• it can lead to serve weather events,sea level rise , and distribution of ecosystems.