Biology, 09.09.2020 18:01 taylorray0820
Two students completed an experiment to determine if pesticide use at local farms was causing fish kills in a local pond. The steps of the experiment are listed below. Select different locations to collect water samples in the pond. Collect a 5-mL water sample at 8 am at a different location each day for 10 days. Measure the amount of pesticide present in each sample using the same measurement tools. After analyzing their data, the students conclude that pesticide runoff from farms is not causing the fish to die in the pond. Which of these statements best describes why their conclusion is not valid?
Answers: 2
Biology, 22.06.2019 01:00
An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen
Answers: 1
Biology, 22.06.2019 03:00
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 03:50
Explain how the political influence of african americans leaders became weaker.
Answers: 2
Biology, 22.06.2019 07:30
Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f
Answers: 3
Two students completed an experiment to determine if pesticide use at local farms was causing fish k...
Mathematics, 30.11.2021 22:00
Engineering, 30.11.2021 22:00
Mathematics, 30.11.2021 22:00
Chemistry, 30.11.2021 22:00
Biology, 30.11.2021 22:00
SAT, 30.11.2021 22:00