A student conducts an investigation studying the effect of the amount of different types of fertilizer on plant growh rate. He takes 20 plants from 4 different plant types growing each one over the period of 60 days and one group gets no fertilizer, measuring and recording data every few days. He makes sure each plant gets the same amount of water, soil and sunlight.
What is the biggest flaw in this experiment?
a No constants
b Different types of plants
c No control group
d Not a large enough sample size
Solved
Show answers
More tips
- S Society and Politics Is It Fact or Fiction? Let s Talk About Anton Chekhov s Pseudonym...
- S Sport Playing Bowling: Rules and Advice for Novices...
- C Computers and Internet How to Properly Repartition a Hard Drive?...
- A Auto and Moto What Is the Cost of Customs Clearance for a Car in Russia?...
- L Leisure and Entertainment Should You Buy a Ceramic Knife?...
- C Computers and Internet How to easily and quickly disable Firebug in Gmail and Google Docs...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
Answers on questions: Biology
- B Biology C. How many grams of H2SO4 are needed to react with 2.1 moles KI?...
- B Biology The girl has a mass of 50 kg Calculate the gravitational potential energy (g.p.e.) of the girl at the top of the ramp.Use the equation:g.p.e. = mass x gravitational...
- B Biology The Diagram shows a plant cell with several structures numbered?...
- B Biology PLEASE I NEED HELP ASAP!!...
- B Biology The heart is made up of the left and right and the left and right . a. antria, ventricles b. t-sacs, v-tubes c. lungs, kidneys d. none of the above...
- B Biology Achromosome is discovered in which all of the transcripts originate from the same dna strand. this implies that in this chromosome a. promoters are all oriented in the...
- B Biology In the infamous anthrax attacks of 2001, several letters were received at the offices of two u.s. senators and various news media outlets. the letters contained dry...
- B Biology In what form is lpg stored in in cylinders?...
- B Biology Taxonomists study the way organisms grow and develop before they...
- B Biology The use of nuclear power throughout the world is generally...
Ответ:
c
Explanation:
c
Ответ:
your answer is A or b
Step-by-step explanation: