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Doss [256]
2 years ago
5

Which strategies are recommended to conserve and manage water? Check all that apply.

Biology
1 answer:
kati45 [8]2 years ago
5 0

Answer:

See below

Explanation:

Do not keep the tap running, when washing your hands.

Do not shower every day.

When showering, get in, shut the tap down. While still wet in the shower, but without the water running, start to apply soap and shampoo. Wait a bit and the start the water again to wash it all off. Get out asap.

Do not keep the hose running, when cleaning your car.

Preferably, do <em>not</em> use a hose, but use a broom, to clean the driveway or sidewalk.

Cover the swimming pool, in order to reduce extensive evaporation.

Check for leaks in pipes, hoses, (dripping) faucets and couplings.

If at all possible, reuse wastewater as much as you can.

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Schematic of photosynthesis in plants. The carbohydrates produced are stored in or used by the plant.

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Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and terrestrial vegetation. Dark red and blue-green indicate regions of high photosynthetic activity in the ocean and on land, respectively.

Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centres that contain green chlorophyll pigments. In plants, these proteins are held inside organelles called chloroplasts, which are most abundant in leaf cells, while in bacteria they are embedded in the plasma membrane. In these light-dependent reactions, some energy is used to strip electrons from suitable substances, such as water, producing oxygen gas. The hydrogen freed by the splitting of water is used in the creation of two further compounds that serve as short-term stores of energy, enabling its transfer to drive other reactions: these compounds are reduced nicotinamide adenine dinucleotide phosphate (NADPH) and adenosine triphosphate (ATP), the "energy currency" of cells.

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The first photosynthetic organisms probably evolved early in the evolutionary history of life and most likely used reducing agents such as hydrogen or hydrogen sulfide, rather than water, as sources of electrons. Cyanobacteria appeared later; the excess oxygen they produced contributed directly to the oxygenation of the Earth, which rendered the evolution of complex life possible. Today, the average rate of energy capture by photosynthesis globally is approximately 130 terawatts, which is about eight times the current power consumption of human civilization. Photosynthetic organisms also convert around 100–115 billion tons (91–104 petagrams) of carbon into biomass per year.

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