Author Question: An instrument used to measure air pressure is A) an aneroid barometer. B) a mercury thermometer. ... (Read 40 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
An instrument used to measure air pressure is
 
  A) an aneroid barometer. B) a mercury thermometer.
  C) an anemometer. D) a wind vane.

Question 2

In coral reefs, clownfish live unharmed among the poisonous tentacles of sea anemones. The sea anemones protect the clownfish from predation, while the clownfish scare off predators, such as the butterfly fish, which would otherwise eat the anemones.
 
  The clownfish may also provide important nutrients to the anemones. This arrangement is an example of which symbiotic relationship?
  A) Parasitism B) Mutualism C) Commensalism D) Amensalism


dawsa925

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

The average adult has about 21 square feet of skin.

For a complete list of videos, visit our video library