1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Charra [1.4K]
3 years ago
7

Two students completed an experiment to determine if pesticide use at local farms was causing fish kills in a local pond. The st

eps of the
below.
1. Select one location to collect water samples in the pond.
2. Collect a 5-ml water sample at 8 am, 12 pm, and 6 pm for 10 days.
3. Measure the amount of pesticide present in each sample using different measurement tools.
After analyzing their data, the students conclude that pesticide runoff from farms is causing the fish to die in the pond. Which of these stat
why their conclusion is not valid?
Different measuring tools are used to measure the water samples.
The pesticide measurements were the controlled variable
The samples were collected for multiple days at the same times of day.
The time and day of sample collection was not an independent variable.
Biology
1 answer:
Oxana [17]3 years ago
3 0

Answer:

The pesticide measurements were the controlled variable

Explanation:

You might be interested in
What is the atomic mass of an atom<br> with 20 electrons
BlackZzzverrR [31]
I believe it’s 40.078 atomic mass
5 0
4 years ago
What is the kinetic energy of a 0.500 kg toy car moving at a rate of 1.50 m/s
Tom [10]
I guess this is the answer

3 0
4 years ago
Read 2 more answers
if the same car is traveling at 35 miles per hour for 20 minutes how can you calculate the speed you only need to plug the numbe
sesenic [268]
20 x 3 = 1 hour
35 x 3 = 105
So, 105 MPH
6 0
3 years ago
medical assistants to ensure the personal and physical safety of stroke and seizure patients during an office visit.
musickatia [10]

In general medical assistants note the history and important signs of patients and maintain the record, to solve and understand healthcare problems.

Medical assistance will be done in hospitals, physicians chambers, RMP guest house and other medical facilities.

Medical assistant make sure that the personal and physical safety or hygiene of stroke and seizure patients whoever visited to the healthcare clinic. If there is no proper physical care the stroke patient mentally gets disturbed, leads to increased stroke may led to life threatening.

Taking personal care is very important for seizure patient, first aid will be given to the patients until seizure stops then prescribing anti-seizure medication is essential to maintain the critical health condition of the patients.

.

7 0
3 years ago
Which of the following statements correctly describes the function of the cell membrane?
jeka94

Answer:

synthesize proteins for the cell

6 0
3 years ago
Other questions:
  • What would you use to detect the presence of electric charges?
    11·1 answer
  • The glucose produced during photosynthesis is an example of a ?
    11·2 answers
  • Choose all statements that accurately describe the transcription bubble
    15·1 answer
  • You will be working with acidic solutions, basic solutions, or both in this lab. what safety precautions should experimenters ta
    11·1 answer
  • why do some scientists theorize that global warming might not be the result of increases in atmospheric carbon dioxide
    14·1 answer
  • Ming’s mother served him fried eggs for breakfast. After seeing the eggs, he noticed that they closely resembled a stage in cell
    8·2 answers
  • Name the arm bone involved in the formation of the elbow joint.
    12·1 answer
  • The palisade layer
    7·2 answers
  • 2. Humans have 46 chromosomes in each somatic cell. a. How many chromosomes does a child receive from its father
    11·1 answer
  • How many atoms make up the head of a pin​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!