1.which factor has great importance in determining the characteristics of an aquatic ecosystem 1.day length 2.water length 3.angle on sunlight 4.average precipitation

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.

Describe how viruses and bacteria can be used as biological weapons. what are some of the potential threats and potential benefits? do you agree with the use of viruses and bacteria as biological weapons? why or why not?

Which of the following can be assumed about the layers in areas 2 and 4