3. Next to each item in the left column, click the circle under the correct topic that scientists would use the item to study. (2 points)(1 point)

Question

Ocean temperature Carbon dioxide levels Kinds of plants Rainfall
Chemical isotopes in foraminifera

Tree rings

Fossilized pollen grains

Ice

Answer 1

Here's how each item aligns with the correct topic for scientific study:

1. Chemical isotopes in foraminifera

   • Ocean temperature

2. Tree rings

   • Rainfall

3. Fossilized pollen grains

   • Kinds of plants

4. Ice

   • Carbon dioxide levels

These pairings are based on how each item is typically utilized in research fields related to their respective topics.