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amid [387]
3 years ago
14

How many million years are flowering plants thought to evolve?

Biology
1 answer:
Finger [1]3 years ago
6 0
About 125,000,000 years ago.Hope it helps!
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What is the difference between self-pollination and cross-pollination?
Serhud [2]

The correct answer is that during cross-pollination the pollen grains are carried from one plant to another plant. During self-pollination, the pollen and ovules are from the same plant.

In self-pollination, the pollen from the anther is deposited on the same flower's stigma, or on the stigma of another flower of the similar plant. In comparison, out-crossing or cross-pollination results in greater genetic diversity as the pollen grains and ovules are obtained from different plants.  


5 0
4 years ago
Can anyone help me write hydroelectric essay
Assoli18 [71]

Answer:

A competitive firm’s marginal revenue always equals its average revenue and price. This is because the price remains constant over varying levels of output. In a monopoly, because the price changes as the quantity sold changes, marginal revenue diminishes with each additional unit and will always be equal to or less than average revenue. A conclusion is the last paragraph of your essay, or, if you’re writing a really long essay, you might need 2 or 3 paragraphs to conclude. A conclusion typically does one of two things—or, of course, it can do both: Summarizes the argument. Some instructors expect you not to say anything new in your Hydro-power is the energy harnessed from running water-streams, rivers or any other artificial or natural water flow. It is one of the oldest method of energy production. Even in the medieval period, people used to derive energy from water wheels. The contribution of hydel power in the world en­ergy production scenario is immense and ever-increasing.

Hydro-electricity now contributes nearly 7% of global electricity production when only 15.3 percent of the global exploitable hydro-electric potential is being used. Ever increasing awareness of ecology and social costs of hydro-plant construction failed to debar the increas­ing use of hydro-electricity.

Explanation:

Explanation:

this is just what is in my mind

4 0
3 years ago
Read 2 more answers
How is protein different from a carbohydrate?
avanturin [10]
Carbohydrates are a source of quick energy (ex: sugars, starches) and are made up of monosaccharides, while proteins determine how your body looks and functions and are made up of amino acids.
4 0
3 years ago
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Pleaseee help ASAP
san4es73 [151]

Answer:

B. Fertilizer can affect the growth of bean plants.

Explanation:

due to the observation. They observed that these plants, on average, were taller than another population of the same kind of bean plants that were not treated with fertilizer

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3 years ago
I have made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which wat
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Decrease. you are adding more Sodium chloride therefore less water will be in the solution
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