An 18,000-watt radio station transmits at 680 kHz. Determine the number of joules transmitted per second.

18 J/s

680 J/s

18,000 J/s

680,000 J/s

Which of the following is not an example of interactions between biotic and abiotic factors in an ecosystem? a. flowers opening at dawn and closing at night b. bears hibernating in winter c. male elk fighting over a female d.

How should you test a hypothesis? O by writing a mathematical equation by making a single observation by performing a controlled experiment by answering a series of questions

Which abiotic factor is the primary source of energy for all organisms

Several uses of fungi are

What are some likely reasons a Cl (chloride) ion cannot pass through a sodium ion channel?

What are the four principal advantages of asexual reproduction.

Explain why trees are a renewable resource and how this resource can be maintained.

Which is a possible disadvantage of true breeding? A) The chances of genetic disorders are reduced. B) Successive generations have shorter life spans. C) No new genes are added to the future generations.

What has to be true in order for organisms to be considered the same species?

When a liver biopsy is performed using imaging guidance, is the imaging guidance coded separately or is it bundled in with the liver biopsy?