What do you call a serious or witty composition meant to briefly express ideas, views, feelings, or reactions to situations in life?

A. ephemeral

B. editorial

C. essay

Why do geologists need a geologic time scale? Give 2 reasons.

Describe pulmonary circulation pathway using the following terms: deoxygenated blood, left atrium, lungs, oxygenated blood, pulmonary arteries, pulmonary trunk, pulmonary veins, and right ventricle

Why do frogs produce a huge number of gametes at one time

What is cybersecurity

When a new volcanic island is formed, what type of succession would you see?

Charles Darwin observed an orchid flower with very long, thin tubes that prevent many species from feeding on flower nectar and pollinating the flower.

What must you know to solve Kepler's third law, the law of periods?

What shows the movement of energy (in the form of food) from one organism to another?

What are two enviromental conditions that can cause a seed to become dormant?

Future directions and careers in ethnobiology