How much time does it take to use 300 W of power to do 1800 J of work? Round your answer to the near number.
SERE
The time is
S.

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.