A food chain consists of grass, cows, and humans. If the grass

field produces 86,000 kJm-2 year-1 of energy and the cows

contain 18,700 kJm-2 year-1 of energy then what is the trophic

efficiency?

A: 5%

B: 78%

C: 22%

D: 33%

Temperate marine climates are normally: a.) hot b.) cool to warm c.) cold d.) warm to hot

Which is the most effective nursing action for controlling the spread of infection? A. Thorough hand hygeine B. Wearing gloves and masks when providing client care. C. Implementing appropriate isolation percautions. D.

In what ways did Charles Lyell impact Charles Darwin's theory of evolution? What type of relationship did Darwin have with Charles Lyell? How did Darwin learn about Charles Lyell's ideas?

10. The plants that form the basis of rain forests are

Provide an explanation as to why bacteria from each location displayed its pattern of growth

Explain why most quartz is useful?

What is the pattern of expression for autosomal genes?

The process by which the particles of a gas randomly pass through a tiny opening is called

What is an unusual defense some lizards have developed to protect themselves?

What types of cells have half the number of chromosomes?