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Alex787 [66]
3 years ago
10

Does anyone know about "Van der Waals forces" I know it's "intermolecular forces of attraction" And they hold molecules together

, especially large ones and it's not as strong of a bond as covalent and ionic bonds. I need an example of an animal that uses it other than a Gecko.
Biology
1 answer:
uranmaximum [27]3 years ago
3 0
The feet of spiders use Van der Walls forces. Spiders seem to be able to stick to just about anything, even if it is wet. This is largely due to the intermolecular forces of attraction between its feet and the surface.
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PLEASE HELP!!! ASAP 30 POINTS!!
Nikolay [14]

Darwin’s research showed that finches beaks are different to fit their food source. It also started the theories of evolution and natural selection. The Grant’s research on the Galapagos Islands showed that evolution exists and can happen over a course of two years. They proved Darwin’s theories are true. Since all the plants and animals are native to the islands, they had to adapt to the new food source and climate. Beaks, size, etc. are all changes made to these organisms to be able to live on the islands. 

The Galapagos Islands are located in Ecuador and sit on the Pacific Ocean. <span>The Galapagos Islands were formed from 3 million to 5 million years ago. Volcanic eruptions typically shield volcanoes formed the islands. They are located over a “particularly hot mantel” that causes volcanic activity. The outcome of many eruptions were islands because the left overs were pushed to the surface. The Galapagos islands are pretty big reaching an area of 3,093 miles. The temperatures range from 69 to 84 degrees creating a typically warm climate. </span>

Darwin studied medicine at age 16, but became fascinated specimens around the globe. He developed theories of natural selection and evolution. While he was on the Galapagos islands, he studied thirteen different species of finches.

 He observed finches and different beak structures. He observed their ability to consume foods such as nuts, bugs, and fruit. He concluded all were related to their beaks. For example, long, slender beaks are good to reach in the flowers of a cactus.

<span>Charles concluded that the finches beaks are examples of adaptive radiation. To fit in the island, they had to adapt to the conditions. This lead to Charles’ theory of natural selection. </span>

Charles came to the conclusion of evolution and natural selection. Natural selection is the process where organisms adapt to their environment to survive and produce more offspring. Evolution is where different kinds of living organisms are thought to have developed. These theories have changed science forever and leave today’s scientists marveling of his theories.

I hope this helps:)

5 0
2 years ago
Charles has lost his hearing. His doctor finds a tumor growth that is obstructing the auditory nerve. Charles doctor diagnoses h
neonofarm [45]

Answer:Acoustic Neuroma (Vestibular Schwannoma)

Explanation:An acoustic neuroma is a noncancerous brain tumor that develops on the nerve that runs between the inner ear and the brain. Also called vestibular schwannomas, acoustic neuromas develop in cells known as Schwann cells. The primary symptoms of vestibular schwannoma are unexplained progressive unilateral hearing loss and tinnitus(the perception of sound when no external corresponding sound is present) and vestibular (disequilibrium) symptoms.

6 0
3 years ago
Which characteristics do all bony and jawless fish have in common? Check all that apply.
Alla [95]

Answer:

It's Gills because there not human and use gills to breathe in water

5 0
2 years ago
Read 2 more answers
What process is described here? A concentration gradient of H + ions is created in the periplasmic space by actively transportin
VLD [36.1K]
<h3>Oxidative Phosphorylation</h3>

Explanation:

The process by which ATP is generated by utilizing the large amount of energy released during the transfer of electrons from NADH or FADH₂ to the O₂  through a series of electron carrier present in the mitochondrial membrane is called oxidative phosphorylation.

The process of electron transfer is accompanied by the pumping of protons across inner membrane of mitochondria, from the  mitochondrial matrix to intermembrane space establishing electrochemical proton gradient.

The ATP synthase complex present in the mitochondrial membrane allows the protons to move down the proton gradient  as a result enough energy is released to add a phosphate group to ADP and form ATP inside the mitochondrial matrix.

8 0
3 years ago
Workers are preparing RUTF peanut butter, and are mixing oil, sugar, peanut butter, and milk powder together. Which ingredient i
astraxan [27]

Answer:

Oil

Explanation:

Oil has the highest fat content amongst all the other ingredients and does not necessarily have all the necessary amino acids.

7 0
3 years ago
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