answer.
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
Mrrafil [7]
2 years ago
6

Janet is testing the effectiveness of four different plant foods. She plants four identical seeds in four identical pots, supply

ing each with a different type of plant food. After six weeks she finds that the four plants have grown to different heights.
Can Janet conclude that food W is the most effective of the four plant foods?
A. Yes; since the plant that was fed food W grew to the greatest height, the only explanation is that food W is the most effective.
B. No; Janet needs to test many more different types of plant food before she can reach that conclusion.
C. Yes; 18 inches is the tallest a plant of that species has ever grown.
D. No; Janet needs to conduct repeated trials on many different plants before she can make that conclusion.
Computers and Technology
2 answers:
alexandr1967 [171]2 years ago
6 0

Answer:

d

Explanation:

galina1969 [7]2 years ago
3 0

D, because you need multiple trials to prove something

You might be interested in
Write a function so that the main() code below can be replaced by the simpler code that calls function MphAndMinutesToMiles(). O
babymother [125]

Answer:

The program to this question can be given as:

Program:

#include <iostream> //header file

using namespace std; //using namespace

double MphAndMinutesToMiles(double milesPerHour, double minutesTraveled) //defining method

{

return (minutesTraveled/ 60.0)*milesPerHour; //return value.

}

int main() //defining main method

{

double milesPerHour,minutesTraveled; //define variable

cout<<"Enter miles per hour :";  

cin >> milesPerHour;  

cout<<"Enter travelling minutes :";

cin >> minutesTraveled;

cout << "Miles: "<< MphAndMinutesToMiles(milesPerHour, minutesTraveled)<< endl;

return 0;

}

Output:

Enter miles per hour :12

Enter travelling minutes :20

Miles: 4

Explanation:

The explanation of the above C++ program can be given as:

  • In the first header file is include the function is define that is "MphAndMinutesToMiles". This function accepts two parameters that are "milesPerHour and minutesTraveled".
  • Both parameter datatype is double and the function return type is also double. Inside a function calculate miles and return its value.
  • In the main method, two variable defines that takes value from the user side and pass into the function. To print function return value we use "cout" function that prints function return value.
6 0
2 years ago
A company wants to inform a select list of it's regular customers about a flash sale. Which type of platform will it use to send
blondinia [14]
<h2>Answer :</h2>

In case of Flash Sale, usually company uses Instant messages or SMS. As there are chances customer in most of the cases don’t have access to their emails due to internet unavailability. However SMS can be directed towards customers without the requirements of an internet. In case of SMS, there are companies available that can shoot out targeted SMS based on cities or even an entire country at a very minimal price. Company can provided them there contacts as well as they have a list of numbers from different sources to which they can send instant messages.


5 0
2 years ago
Find true or false. A hacker is hacking software with access in sensitive information from your computer​
Alina [70]
ITS TRUE!!I SEARCHED IT
7 0
1 year ago
You live "out in the middle of nowhere" and feel there is no need to protect your internet connection because there is no one th
Anvisha [2.4K]

Potential uploaded viruses, personal information being lost, blackmail, identity theft.

7 0
2 years ago
What is an icon or animation used to represent a participant in an internet chat referred as?
lesantik [10]
An avatar, is the icon or animation that is used to represent a participant in an internet chat. Avatars are usually customizable to make it more 'you.'
3 0
2 years ago
Read 2 more answers
Other questions:
  • What are the two most important network-layer functions in a datagram network? what are the three most important network-layer f
    7·1 answer
  • Gaven's instructor told him to include a personal statement in his work portfolio. Why did his instructor recommend including a
    6·1 answer
  • Why are digital calendars considered to be a convenient way to maintain a study schedule?
    10·2 answers
  • Which of the following are recommended techniques for protecting computer files and data? Check all of the boxes that apply.
    15·2 answers
  • Mark’s friends told him about an automated program that sends unsolicited messages to multiple users. Which type of program were
    11·2 answers
  • Write an application that throws and catches an ArithmeticException when you attempt to take the square root of a negative value
    15·1 answer
  • Write a method called justFirstAndLast that takes a single String name and returns a new String that is only the first and last
    9·1 answer
  • Write a program that gets a list of integers from input, and outputs non-negative integers in ascending order (lowest to highest
    13·2 answers
  • Java Programming home &gt; 1.14: zylab training: Interleaved input/output Н zyBooks catalog Try submitting it for grading (click
    6·1 answer
  • "There are no longer mature industries; rather, there are mature ways of doing business," he is referring to the high demand of
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!