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
SOVA2 [1]
3 years ago
9

5. Students in a science class want to design an investigation to determine if a fertilizer added to soil affects the height of

a plant over time. Which items would the students need to complete this investigation?
A. ruler, calculator, plant, soil samples with different amounts of fertilizer
B. microscope, beaker, plant, soil samples with the same amount of fertilizer
C. computer, stopwatch, plant, soil samples with different amounts of fertilizer
D. tape measure, graph paper, plant, soil samples with the same amount of fertilizer
Biology
1 answer:
Afina-wow [57]3 years ago
6 0
A is the answer. You would need soil with different amounts- including no amount- to determine how the fertilizer affects the plants
Since you are measuring the height a ruler would be a good idea as well.
You might be interested in
In quiet breathing (A) inspiration is passive and expiration involves muscular contractions. (B) inspiration and expiration invo
Zolol [24]

Answer:

In quiet breathing inspiration involves muscular contractions and expiration is passive.

Explanation:

Respiration process involves two different stages, inspiration - inhalation- and expiration - exhalation-.

During inspiration, the diaphragm <u>contracts</u> and goes down, while intercostal muscles also <u>contract</u> and go up. These actions enhance the size of the thoracic box and <u>reduce internal pressure</u>. As a result, air flows in and fills the lungs.

During expiration, the <u>diaphragm relaxes</u> and the volume of the thoracic box diminishes, which causes the <u>pressure inside to increase</u>. In consequence, the lungs contract and the air is expulsed outside.  

8 0
3 years ago
Plucking is caused by_______. <br> Ice <br> Water <br> Wind <br> Sand
makvit [3.9K]
Plucking is caused by ice.
3 0
3 years ago
Read 2 more answers
What happens in a decomposition reaction? O A. Two or more substances combine to form one substance. B. Two ions trade places. O
denis-greek [22]

Answer:

C. Larger compounds break down into two or more smaller compounds.

Explanation:

During a decomposition reaction, the bonds between the atoms break down in the starting substance. The atoms then rearrange to form new bonds, resulting in new substances with properties different from the starting material.

6 0
3 years ago
Briefly compare
Anika [276]

Explanation:

di ko po Alam sagot jan ei sorry po

4 0
3 years ago
A scientist wants to determine how water temperature affects the development of fish eggs.
FromTheMoon [43]
I’m srry Ik I’m not helping but how do you ask questions yo the public ?
6 0
3 years ago
Read 2 more answers
Other questions:
  • Secretion of human chorionic gonadotropin (hcg) occurs during what time frame during pregnancy?
    13·1 answer
  • Infants with reflux are initially treated with
    11·2 answers
  • Antidiuretic hormone causes the kidneys to
    11·1 answer
  • The mitotic spindle plays a critical role in which of the following processes? separation of sister chromatids dissolving of the
    8·1 answer
  • Which piece of evidence do scientists refer to back their idea that life-forms have changed (or evolved) over time?
    9·1 answer
  • The phase of cell division in which chromatin condenses into chromosomes is ____ A. anaphase B. metaphase C. prophase D. telopha
    10·1 answer
  • explain what would happen to the system if anthropogenic carbon was to continue to increase in the system
    10·1 answer
  • How do animals get carbon?
    15·2 answers
  • 5.
    15·2 answers
  • what might happen if two friends are miss handling a firearm with no supervision? Does this have to do with genetics or choice?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!