What Does the Gradual Increase in the Average Surface Temperature

question 12

Multiple Choice

What does the gradual increase in the average surface temperature of the earth reflect?

• A)population growth
• B)increased CO₂ levels
• C)the decline of biodiversity
• D)increased urbanization

---

Definitions:

Lymph

A clear fluid that circulates through the lymphatic system, carrying cells that help fight infection and disease.

Bean-Shaped

Descriptive term typically used to describe the shape of organs or structures, notably the kidneys.

Lymphatic Organs

Organs, including the lymph nodes, spleen, and thymus, that are part of the immune system, helping to filter pathogens and produce white blood cells.

Lymph Nodes

Small, bean-shaped structures that are part of the lymphatic system, helping the body fight infections and other diseases.