Yes, several organisms like certain deep-sea creatures and fungi can survive without energy from the sun. They derive their energy from chemical reactions or by absorbing nutrients from surroundings.
Yes, there are several organisms that can survive without relying on the energy from the sun. These organisms are often found in extreme environments where sunlight is minimal or absent such as deep ocean trenches. These organisms derive their energy from sources other than sunlight - most commonly via chemosynthesis. For instance, deep-sea hydrothermal vent ecosystems harbor a variety of organisms that survive without sunlight. Instead, they rely on chemicals present in the vent fluids as their energy source.
Another example is fungi, which absorbs nutrients from other organisms and doesn't depend on the sun for energy. Also, there are certain types of bacteria like the ones found in our gut that can survive without energy from the sun.
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The correct answer is slow twitch.
There are generally two types of skeletal muscle fibers present in the body of humans. These are slow twitch fibers and the fast twitch fibers. The slow twitch fibers in the muscle allow the long endurance responses to the muscles, on the other hand, the fast twitch fibers generate a fast response in the muscles.
True statements: A (Water is made up of atoms bonded to form molecules) and D (The chemical formula for water is H₂O).
False statements: B (Water contains half as many hydrogen atoms as oxygen atoms) and C (Water molecules tend to push away from each other)
Let's examine each statement to determine its accuracy:
A) Water is made up of atoms bonded to form molecules.
True: Water is indeed composed of molecules. Each water molecule consists of two hydrogen atoms covalently bonded to one oxygen atom, forming the H₂O molecule.
B) Water contains half as many hydrogen atoms as oxygen atoms.
False: The chemical formula for water, H₂O, indicates that there are two hydrogen atoms for every one oxygen atom in a water molecule. Therefore, water contains twice as many hydrogen atoms as oxygen atoms.
C) Water molecules tend to push away from each other.
False: Water molecules exhibit a property called cohesion, where they are attracted to each other due to hydrogen bonding. This attraction causes water molecules to "stick" together rather than push away from each other. It's why water forms droplets and has a relatively high surface tension.
D) The chemical formula for water is H₂O.
True: The chemical formula H₂O accurately represents the composition of water, indicating that each water molecule consists of two hydrogen atoms and one oxygen atom.
The structure of water involves H₂O molecules, with each molecule consisting of two hydrogen atoms and one oxygen atom, and water molecules exhibit cohesion due to hydrogen bonding, causing them to attract and stick together.
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The question probable may be:
Which of the following statements are true and false about water's strucutre.
A) water is made up of atoms bonded to form molecules.
B) Water contains half as many hydrogen atoms as oxygen atoms.
C) Water molecules tend to push away from each other.
D) The chemical formula for water is H₂O.
a. true
b. False
it's A. true so good luck.
Whole grains are a good source of carbohydrates. They provide sustained energy, help maintain steady blood sugar levels, and provide essential vitamins and minerals.
The statement 'Whole grains are considered a good source of carbohydrates' is indeed true. Whole grains like rice, oats, barley, and wheat are excellent sources of carbohydrates, which are your body's main source of energy. More than that, whole grains provide fibres, vitamins, and minerals that are essential for human health. Whole grain carbohydrates are complex carbohydrates which means they take longer to digest and thus provide a sustained energy source for your body. Eating whole grains can help maintain steady blood sugar levels and keep you satiated longer compared to refined grains.
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