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
nadya68 [22]
3 years ago
10

You are interested in the effect of increased carbon dioxide versus normal air, and also in the effect of green light versus ful

l sunlight on the growth of corn plants in a greenhouse. Although you can set up your experiment inside a greenhouse, it is possible that there will be plant growth effects due to effects that you do not know and may never know. Which of the following are important to ensure control of unknown variables?
A. An increase in carbon dioxide does not result in a substantial decrease of other necessary gases.
B. All seedlings are from one uniform strain.
C. The intensity or brightness of the green light equals the intensity of the full sunlight.
D. All temperatures and available water remain the same.
E. All of the choices are important.
Biology
1 answer:
Sindrei [870]3 years ago
7 0

Answer:

The correct answer is option E.

Explanation:

The effect on the growth of the full sunlight and green light or the increased carbon dioxide and normal air. There are several effects that can affect the growth of the plant can be affected. Provided options are directly or indirectly affects the variables that are unknown but can affect the growth of plants.

Increased in carbon dioxide does not leads to the decrease of other essential gasses in substantial amount, common uniform strain of seedlings are also cause effects the experiment of plant growth in specific manner. Light is also one of influential and limitation factor that affects the growth of the plant.

Thus, the correct answer is is option E.

You might be interested in
Please Help Next to Mark’s house, there is a large meadow with small plants and no trees. Behind the meadow is a dense forest wi
Bumek [7]
The forest would be cooler because the trees are thick and no sunlight is allowed through. things are much cooler when there’s no sunlight allowed near them- think about the difference on a hot summers day sitting in unshaded grass vs sitting in shady grass under a big tree.
3 0
3 years ago
Luteinizing hormone is bound to transport proteins in the plasma. <br> a. True<br> b. False
Tanzania [10]

Answer:

FALSE

Explanation:

Luteinizing hormone, also known as the lutropin, is a heterodimeric glycoprotein produced by the gonadotropic cells of the anterior pituitary gland.

The function of the luteinizing hormone in males is the secretion of the progesterone hormone. Whereas, in females, the acute rise of this hormone triggers ovulation, maintains the corpus luteum and is also responsible for the secretion of progesterone hormone.            

4 0
3 years ago
Penny is an intensely shy person who rarely attends social gatherings. In addition, she normally will not accept dinner invitati
Nady [450]

Answer:

social anxiety disorder

Explanation:

social anxiety disorder is the fear of being judged by people or negatively assessing them, or rejected in a social  situation

3 0
3 years ago
Which of the following is NOT a major connective tissue. loose, fibrous, tight, none of thee above
wariber [46]

a major connective tissue. loose, fibrous, tight is the answer is synovial membrane

7 0
3 years ago
A frog That catches and eats a grasshopper is a what
NISA [10]

the frog is now a predator


7 0
3 years ago
Read 2 more answers
Other questions:
  • What kind of mathematics do scientists use to analyze data
    6·2 answers
  • Name one organism and its desired trait for humans
    5·1 answer
  • Which of the following statements is NOT true about valley glaciers?
    15·2 answers
  • What happens to the energy that is stored in cells? Check all that apply.
    13·1 answer
  • What can cause changes in the traits of a population?
    9·1 answer
  • In scientific notation, a number is expressed as a value between 1 and 10
    8·1 answer
  • Which shows the correct order of steps when using wind to generate electricity?
    14·2 answers
  • Mendel's law of______ governs which allele is expressed in an individual.​
    9·2 answers
  • Rough endoplasmic reticulum what is and function
    5·1 answer
  • An algal bloom can have a drastic, and often detrimental, impact on ________ biomes.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!