Ascientific fact is
a. something you believe is true because you have been taught it.
b. a guess that has been tested over and over again and always found to be true.
c. close agreement by competent observers of observations of the same phenomena.
d. an educated guess that has yet to be proven by experiment. e. a synthesis of a collection of data that includes well-tested guesses.

Select the correct answer. which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers. b.anna publishes the results of her experiment on the growth rate of saplings. c.jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately.

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes

One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above