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hoa [83]
3 years ago
7

2. Does the amount of iron in the water affect plant growth?

Physics
1 answer:
Airida [17]3 years ago
4 0

Answer:

Yes, the amount of Iron can affect the growth of plant.

Explanation:

Iron is essential micro-nutrient for the growth of plant but it is required only in small amount. Iron is required when plant produces chlorophyll and this gives plants oxygen and healthy green color but if a plant is suffering from iron deficiency then the plant's growth becomes stunted and leaves color changes to yellow. For plants requirement of iron is just 1 to 1.5 lb per acre whereas, requirement of nitrogen is 75 to 200 lb per acre.

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Much of the bedrock in Virginia’s Piedmont region, originally formed by cooled magma, has re-crystallized under a great deal of
3241004551 [841]

A) gneiss

Explanation:

The likely rock that would be found here is gneiss.

A rock type that forms under a great deal of temperature and pressure is a metamorphic rock.

Such rocks would have their minerals crystallized when subjected to these extreme conditions.

  • Metamorphic rocks are changed rocks that are formed when minerals in rocks are subjected to extreme pressure and temperature before they start melting.
  • These rock type can form from either sedimentary or igneous rocks. In fact a metamorphic rock can also change into another one.
  • Examples of metamorphic rocks are gneiss, schist, hornfels, marble etc.

Halite, limestone and sandstone are examples of sedimentary rocks that forms by the accumulation of sediments or precipitation of ions form solutions.

learn more:

Metamorphic change brainly.com/question/869769

#learnwithBrainly

6 0
4 years ago
True or false<br> Hydrogen fuel cells generate electricity by combining hydrogen with oxygen.
adoni [48]

Answer:

The answer is: True.

Explanation:

If free electrons or other substances could travel through the electrolyte, they would disrupt the chemical reaction. Whether they combine at anode or cathode, together hydrogen and oxygen form water, which drains from the cell. As long as a fuel cell is supplied with hydrogen and oxygen, it will generate electricity.

(Credit: Google)

7 0
3 years ago
in a cricket match there are 5000 spectators counted 10 by 10 the number of significant figure in the measurement will be
BabaBlast [244]

Answer:

\boxed{3 \ Significant \ figures}

Explanation:

Total spectators = 5000

Counted by the groups of ten, So at last the result will be:

=> 5000/10 = 500

Significant figures in 500 are 3

8 0
3 years ago
Correctly label the various structures of the membranous labyrinth of the ear.
Ronch [10]

Answer:

left side top to bottom:

- saccule

- utricle

- ampullae

- semicircular duct: anterior

- semicircular duct: lateral

- semicircular duct: posterior

right side top to bottom:

- cochlear duct

- spiral ganglion of cochlea

- cochlear nerve

- vestibular nerve

7 0
3 years ago
What is social play?
Ugo [173]
social play happens when children are playing with adults or with other kids
6 0
3 years ago
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