Which sentence best describes the axis of rotation of Earth?

A.

The axis changes the direction of its tilt over time.

B.

The axis has a slight tilt.

C.

The axis tilts so that it is almost horizontal.

D.

The axis does not have a tilt

Which of the following best describes elements of a stable ecosystem A. the cyclical increase and decrease of a population of algae in a lake B. a sudden decrease in a predator population in a forest C.

Select all of the statements that apply to healthcare-associated or nosocomial pneumonia to test your understanding of the differences between healthcare-associated and community-acquired pneumonia.

Cancer is marked by uncontrolled cell growth and division. Which factor in excessive amounts contributes to this development? signal molecules binary fission uncontrolled meiosis radiation therapy

How does the density of the Earth's core compare to the other layers of the Earth?

What features of structure and function are common to all humans?

Which substances must a green plant obtain from its environment to carryon photosynthesis"?

What are 5 biotic and abiotic features of an eagle?

A heme group contains four pyrrole rings, which are linked via methene (methine) bridges.

The final enzymatic breakdown in the digestive processes of most proteins and carbohydrates are accomplished by: a. enzymes secreted in the stomach and pancreas b. enzymes secreted in the pancreas c. enzymes secreted in the brushborder d.

An animal without a body cavity is called