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notka56 [123]
2 years ago
8

Sally notices that after it rains, water beads up on the surface of many leaves of the

Biology
1 answer:
Blababa [14]2 years ago
4 0

The property of polarity of the water and cohesion could be the actual responsible for the beading up of water on the surface of leaves.

What is cohesion?

Cohesion, also known as cohesive attraction or cohesive force, is the action or quality of like molecules sticking together and being attracted to one another (from the Latin cohaesi, "cohesion, unity"). The uneven distribution of surrounding electrons that results when molecules are close to one another creates electrical attraction, which can keep a small structure like a water drop in place. This attribute of a substance is caused by the shape and structure of its molecules. Surface tension is made possible by cohesion, resulting in a "solid-like" state that allows for the placement of light or low-density materials.

It turns out that the tendency of water molecules to attract one another, or the tendency of cohesion, is what causes surface tension. The "lowest energy state," or the state in which the atoms in the molecule are utilizing the least amount of energy, is when a water drop takes on its natural form. This condition of water occurs when a water molecule forms a sphere or ball and is encircled by other water molecules on all sides. On Earth, gravity flattens this perfect sphere into the form of a drop that we can perceive.

To know more about Cohesion, go to URL

brainly.com/question/13570794

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B. The Threshold describes the minimum level of stimulus required to ctive a neuron. Hope that helps
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An experiment during which two heterozygous individuals are bred and produce two different phenotypes for a single trait is term
vova2212 [387]

Answer:

monohybrid cross

Explanation:

An experiment during which two heterozygous F1 individuals are bred and produce two different phenotypes for a single trait is termed a monohybrid cross.

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2 years ago
Help look at the picture​
Inessa05 [86]

The Steady State Theory state that the density of the universe was remaining constant.

<h3>Steady State Theory:</h3>

In cosmology, a steady-state theory is a perspective that holds that the universe is constantly expanding while maintaining a constant average density. According to this theory, the matter is continuously created to form new stars and galaxies at the same rate that older ones fade away due to their expanding distance and accelerating recession. The average density and configuration of galaxies are the same as any location in a steady-state universe, which has no beginning or end in time.

British scientists Sir Hermann Bondi, Thomas Gold, and Sir Fred Hoyle first proposed the hypothesis in 1948. Hoyle expanded on it in order to address issues that had come up in relation to the alternative big-bang theory. According to the hypothesis, in order to maintain a constant average density of matter across time, the new matter must constantly be created, primarily as hydrogen. With nearly five times as much dark matter, the amount needed is small and not immediately observable: one solar mass of baryons per cubic megaparsec every year, or one hydrogen atom per cubic meter every billion years.

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5 0
1 year ago
Suppose a student hypothesized that mice would grow best if fed raw pasta. He fed one mouse the raw pasta, another mouse was fed
azamat
<h2>Answer is "True" Generate a new hypothesis</h2>

Explanation:

  • Due to the false hypothesis a student create a new hypothesis for the research.the hypothesis gives the objective to the research and the methodology to complete the work.
  • If the student doesn't generate the correct the methodology hence, its work is not proficient to the research that's why the student try to do new analysis with new ideas.
  • This is because the hypothesis is a conditional explanation about the connection between at least two factors. It is a particular, testable expectation about what you hope to occur in an investigation. For instance, an investigation intended to take a gander at the connection between lack of sleep and test execution may have a hypothesis that expresses, "This examination is intended to evaluate the theory that restless individuals will perform more awful on a test than people who are not sleepless.
  • So, the right answer is true "Generate a new hypothesis" is the next step.

4 0
3 years ago
Which of the following is the correct term for a small hole in a seed’s outer layer, allowing water and nutrients access to the
Pavel [41]
<h2>Answer:</h2>

The correct option is B which is micropyle.

<h3>Explanation:</h3>
  • Generally micropyle is known as the opening in the ovule or egg from which sperm enters the egg.
  • But at the time of germination it is used to absorb water and nutrients.
  • It is the micropyle from which the root emerges from the seed.
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4 years ago
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