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damaskus [11]
3 years ago
15

Fill a glass with water above the rim. It forms a domed surface. Add a paper clip and watch it float, even though the paper clip

is made of a metal that is denser than water. This is due to water's surface tension. Water has several very unique properties, like surface tension, cohesion, and adhesion because water
Biology
2 answers:
iVinArrow [24]3 years ago
8 0

Did you make a mistake?  I don't really understand what you are asking, but if you post this again with proper pronunciation, I will gladly try to answer your question.

-Aparri

bazaltina [42]3 years ago
6 0

Answer: Water is polar and every water molecule electrically attracts the neighboring water molecules

Explanation:

The water molecules are polar molecules and attract the neighboring water molecules, this property of water is known as surface tension.

This property allows the substances to float on the water surface. One water molecule gets attracted towards the other molecule. This is due to the property of hydrogen bonding.

Water is a polar molecule and attracts the substances like that only.The metal clip will float on water before of strong bonding between the water molecules.

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List 2 adaptations that helped Darwin's finches survive.?
Vaselesa [24]

Answer:

Two adaptations of Darwin's Finches that helped them to survive are:

  • Beak structure.
  • Behavioral adaptations to use tools for foraging.

Explanation:

There are fourteen species of Darwin's finches that originated from a single  species of ground dwelling seed eating finch.

These Finches occupied different niche in the Galapagos island  and were widely studied by Darwin.

These finches are one of the best Examples of Adaptive radiation.

Studies state that during severe drought in Galapagos island most vegetation dried out and a few softer seeds were left.

These few seeds were quickly fed upon by the birds and only dry , hard seeds were left.

Only birds who had large and hard beaks could feed on these hard dry seeds.

To Ensure survival the Finches developed adaptations which resulted in hard and large beaks so that they can feed on those dried hard seed.

Some groups started feeding on insects and got their beaks adapted to capture and kill insects.

Second line of adaptation included changes in behaviour and cognitive intelligence where birds started using tools for foraging.

8 0
3 years ago
Why does the designed world change?
RSB [31]
Because the world rotates around and God the creator changed up the earth that's the biblical answer but a scientific answer would be due to himans
5 0
3 years ago
Which of the following are stramenopiles?
leva [86]

Answer:

Brown algae and diatoms

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If you could take all the dna out of your body would it fit on a plate?
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How are invertebrates better? PLZ help ASAP
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<span>Invertebrate<span>, </span>any animal that lacks a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates. More than 90 percent of all living animal species are invertebrates. Worldwide in distribution, they include animals as diverse as sea stars, sea urchins, earthworms, sponges, jellyfish, lobsters, crabs, insects, spiders, snails, clams, and squid. Invertebrates are especially important as agricultural pests, parasites, or agents for the transmission of parasitic infections to humans and other vertebrates. Invertebrates serve as food for humans and are key elements in food chains that support birds, fish, and many other vertebrate species.Apart from the absence of a vertebral column, invertebrates have little in common. Indeed, they are distributed between more than 35 phyla. In contrast, all vertebrates are contained within a single phylum, the Chordata. (Phylum Chordata also includes the sea squirts and some other invertebrate groups.) Invertebrates are generally soft-bodied animals that lack a rigid internal skeleton for the attachment of muscles but often possess a hard outer skeleton (as in most mollusks, crustaceans, and insects) that serves, as well, for body protection.</span>
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