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
kherson [118]
3 years ago
7

What influence does acid rain have on seed germination?

Biology
1 answer:
Fed [463]3 years ago
3 0

Answer:

Acid rain is an umbrella term, which is used

to cover a number of different pollution

processes. The pH of acid rain is ten, fold

difference between numbers. India illustrates

the drastic effect of acid rain on agricultural

productivity researchers there found that

wheat growing near a coal fired power plant

where SO2 deposition was almost five times

greater than the critical load (the amount of

the soil can safely absorb without harm)

suffered a 49% reduction in yield. In the

present investigation to assess the effect of

acid rain on the plant growth, the plant of

Triticum aestivum and Raphanus sativus

were grown in different wooden boxes and

three different plastic boxes. The different pH

(2.0, 4.0, 5.0) of simulated rain does were

sprayed on the plant and after last dose the

specific visual difference was seen in seed

germination. increased acidic level (pH 2.0) of the rain water affects the seed germination by the rate of 40% as compared to that of lower level of acidity (pH 4.0 and 5.0)

Explanation:

<h2><em>Hope it help you mark as Brainlist</em></h2>
You might be interested in
Where does the second, major part of cellular respiration take place
noname [10]

Answer:

The answer is mitochondira of heterotoph cells

Explanation:

4 0
2 years ago
What makes red blood cells unique compared to other cells in the body
alex41 [277]
"The red blood cell<span> survives on average only 120 days. </span>Red cells<span> contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the </span>body<span> and then returns carbon dioxide from the </span>body<span> to the lungs so it can be exhaled." - hematology.org</span>
5 0
3 years ago
Which of the following is true of receptors for dynamic equilibrium?
gulaghasi [49]

Answer:

The correct answer is option D.

Explanation:

Dynamic equilibrium refers to the sense, which interprets angular acceleration in the three-axis of rotation that when combined provides a sense of equilibrium when movement takes place. The receptors for dynamic equilibrium are known as ampulla, maculae are the receptors of static equilibrium.  

The movement of the head does stimulate dynamic equilibrium receptors, as these receptors are situated in the inner ear that moves with the head. The receptors for dynamic equilibrium are situated in the semicircular canals. The receptors for dynamic equilibrium react to rotational forces, as the receptors are located on the three-axis, thus, they can detect rotation, that is, angular momentum.  

7 0
3 years ago
Velocity calculation
svetoff [14.1K]
Answer choice: [C]:
_________________________________________

V = d / t  = 1800 mi / 40 min = 180 mi / 40 min = 45 mi / min .

Which very well could be "Answer choice: [C]:  45 m/min" ; except, this answer choice may have been written incorrectly—and should read:
                                                 "45 m/min."
________________________________________________________

Now, notice that all the answer choices given are in "meters" per (unit time—seconds or mins.

So, we need to convert:

45 mi.  to "meters", or "m".
______________________________________
Note the following conversions:
_______________________________________
 1 mi. = 1750 yd
______________________________________
3 ft. = 1 yd.
____________________________________

1 m = 3.2 ft.
_____________________

So, 1 mi. = ? m ;
_____________________
 1 mi * ( 1760 yd/ mi) * (3 ft / 1 yd) * ( 1m / 3.2 ft) = _?_  m ?
_____________________________________________________
On the "left hand side" , the units of  "mi", "yd", and "ft" ; cancel to "1" ;
  ____________________________________________________
    and we are left with:
______________________________________
[(1760 * 3)]  /  [(3)*(3.2)]   m  = (5280 / 9.6) m  =  550 m .
______________________________________________
So, we have:  550 m / min ; which match NONE of the answer choices.

However, it is possible that choices A or B, which are given in "m/sec" (meters per second); are among the correct choices.
____________________________________________

So, we convert:   550 m / min to:   "m / sec " ;
______________________________________
( 550 m/ min)*(1 min/ 60 sec) =  (550/60) m/sec = (55/6) m/ sec
                                                                                    = 9 1/6 m / sec .
_____________________________________________________
                                                                 which is:  None of the above.
______________________________________________________
                     Unless the answer choices were written incorrectly.




4 0
3 years ago
The diagnostic procedure to measure the capacity of the lungs and the volume of air during inhalation and exhalation is​ _______
Ksju [112]
The answer would be pulmonary function test

Pulmonary function test used to know the various capacities of the lungs that reflect the lungs status. From this test, the physician can conclude if the lungs <span>are </span>obstructive, restrictive, or both. Patient with asthma will have a better improvement when given bronchodilator drug compared to COPD patient.
7 0
3 years ago
Other questions:
  • True/False: Eukaryotic cells are ONLY single celled.
    9·1 answer
  • True or False? Meiosis produces four nonidentical cells, each containing neither homologous chromosomes nor sister chromatids.
    9·2 answers
  • These are animals that share the common characteristics of body hair, production of milk, giving birth to live young, and endoth
    13·2 answers
  • Why do you think ethics are important to veterinary science and medicine?<br> critical answer
    12·1 answer
  • In a study of genetic variation of the Graceland gene, a researcher finds that there are two alleles in a population. In a large
    8·1 answer
  • I only need the top one!! Please! Please! Help ASAP! I need this by today :( I will try and mark branliest
    11·1 answer
  • Where does anaerobic respiration occur in the cell?
    11·1 answer
  • PLEASE HELP ME!!
    13·2 answers
  • When scientists compare organisms at the molecular level, what are they actually studying to determine evolutionary relationship
    5·1 answer
  • Where would a region of nonpolar amino acids be in a folded protein?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!