Here is a food chain in a meadow. Use this food chain to answer this question.Which organism is at the highest trophic level in the food chain? FOOD CHAIN IS ATTACHED
A.
corn snake
B.
field mouse
C.
grass
D.
hawk
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The highest trophic level in a food chain is often shown as literally being the highest in the diagram. Although this food chain is set up differently, you can still tell that the hawk is the highest trophic level because all the arrows point in its direction.
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The doldrums region on Earth is created by an amount of heating from the Sun that results in the rising of warm, moist air, low air pressure, cloudiness, high humidity, and numerous forms of severe weather, such as thunderstorms. Hurricanes originate in this region. The doldrums are also noted for calms, periods when the winds disappear, trapping sailing vessels for days or weeks. Where are the doldrums found?
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The gravitational potential energy not only depends on the mass of the substance but also on the height it positioned. Hence, two objects with same mass does not have same potential energy if they are not in same height.
What is gravitational potential energy?
Gravitational potential energy of an object is the energy generated by virtue of its position in gravitational field. Gravitational force is exerted by one object by which it attracts other objects into its centre of mass.
The gravitational force is dependant upon the mass of the object as well to the distance between the objects. Similarly the potential energy p is proportional to the mass m, gravity g and the height from the surface h.
Hence p = mgh.
As per this relation potential energy is not only affected by the mass but also the height at which the objects are located.
If an object is placed at a height higher than other object having same mass then it stores greater potential energy. Hence, we can't agree with the statement .
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Answer:
the above screenshot has the answers
B. total volume
C. amount of solvent
D. concentration
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Answer
A) amount of solute
Explanation
Dilution is adding more solvent to a solution to decrease the concentration of solute in a solution. The amount of solute does not change although the concentration, amount of solvent and the total volume does change.
An example of this would be adding more water (solvent) to lemonade to decrease the concentration of lemon juice (solute). Obviously this would increase the total volume because you are adding more water to the solution.
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The word that best fits is frequency. Thus,the sentence is,the frequency of a wave is a measure of the amount of energy it carries.
The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
There is a direct relationship between frequency and energy of a wave. The constant of proportionality is h, Planck's constant. So, Energy = h frequency. So, the answer is frequency.
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2. Photosynthesis helps get rid of the carbon dioxide in the air. Carbon dioxide, as you may probably know, is necessary for this process to occur.
It converts solar energy into chemical energy that is stored for later use.
Oxygen is created.
What is the element
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The element which is a non-metal and present in the same group as lead is carbon as they both have four electrons in their valence shell.
What is an element?
An element is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.
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