Which of the Following Forms of Exercise Can Help Build

question 94

Multiple Choice

Which of the following forms of exercise can help build bone mass?

• A) climbing stairs
• B) lifting weights
• C) low-impact aerobics
• D) all of the above

Identify different types of islands (e.g., volcanic islands, atolls) and understand their formation mechanisms.

Understand the concepts of seafloor spreading and the age of oceanic crust, including the identification of the youngest and oldest seafloor regions.

Explain the formation and characteristics of different seas and their tectonic settings, including back-arc spreading and the role of subduction in sea formation.

Understand the ecology and conditions conducive to reef formation, and recognize regions not suitable for reef existence.

---

Definitions:

Carboniferous

A geologic period and system that extends from the end of the Devonian Period, about 359.2 million years ago, to the beginning of the Permian Period, about 299 million years ago.

Reptiles

Cold-blooded vertebrates that breathe air, usually lay eggs, and have scales covering their bodies, including snakes, lizards, crocodiles, and turtles.

Chordates

Deuterostome animals that, at some time in their lives, have a cartilaginous, dorsal skeletal structure called a notochord; a dorsal, tubular nerve cord; pharyngeal slits; a postanal tail; and an endostyle (or its derivative, a thyroid gland).

Cyanobacteria

Photosynthetic microorganisms, formerly known as blue-green algae, that are important in oxygen production and nitrogen fixation.