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trapecia [35]
3 years ago
7

Which best explains the high surface tension of water

Biology
2 answers:
jeka57 [31]3 years ago
8 0
<span>it tends to aggregate in drops rather than spread out on a surface as a thin film.</span>
NNADVOKAT [17]3 years ago
4 0
<span>its hydrogen bonding interactions.

Hope this helps !

Photon</span>
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What is a cell membrane​
Murrr4er [49]

Answer:

The cell membrane (also called the phospholipid bilayer or the plasma membrane) is one of the most important structures a cell has. If you think of the cell as a really popular nightclub, the membrane is the bouncer. It decides what enters and exits the cell.

3 0
3 years ago
How did fossil<br> fuels form, and how<br> are they obtained<br> and used?
Usimov [2.4K]

Explanation:

Fossil fuels are important energy sources for our every day activities.

  Formation of fossil fuels

Fossil fuels forms from the accumulation and burial of organisms in a basin of deposition. Instead of the organisms decaying, they preserve their carbon content. To be worthy of becoming fossil fuels, organisms must be buried in an environment where there is little to no oxygen to fast-track decomposition of the buried organic matter. Increase in temperature and pressure causes the organic matter to transform into fossil fuels.

How are they obtained

First, different fossil fuels have their extraction techniques because they occur in different physical state of matter.

For the solids e.g coal: exploration is carried out first and if a prospect is delineated, mining engineers design the best way to extract the coal from nature. Coal is usually found laid in sedimentary beds in nature. Top layers of sediments can be removed to extract the coal.

For fluids such as crude oil and natural gas, after a prospect is identified, a rig is usually constructed to extract the fluid and gas. The natural pressure allows for the fluids the rise within the drill used in extraction.

How are they used

Coal and gas are used to power electrical generating plants. They are used to heat steams which drives turbines and produce electricity.

Natural gas is used as a domestic fuel for cooking and so also coal.

When crude is processed a lot of product is obtained. Gasoline is used to power most internal combustion engines. Some chemicals useful for manufacturing plastics, drugs e.t.c are also derived from the processed crude.

Learn more:

Harnessing fossil fuel brainly.com/question/9231468

#learnwithBrainly

8 0
3 years ago
What are the two factors that influence gravity? 1)Speed and distance. 2)Color and shape 3)Neight and shape. 4) Nass and distanc
Gwar [14]
I believe it’s either 1 or 4
7 0
3 years ago
What term is used to describe a substance given in clinical trials that does not contain the drug?
HACTEHA [7]

Answer:

Placebo, Is used to describe a substance given in clinical trial that does not contain the drug.

Explanation:

  • Clinical trials are done to evaluate the effectiveness of a drug in treating a particular medical symptom or disease.
  • In such case a placebo is used as a control in the experiment.
  • A placebo contains all the components as the medicine except for the drug that is being tested.
  • A placebo is given to one group of patients having the symptoms for which the drug is tested while another group of patients with same symptoms are given the drug.
  • If the group that was given the drug show symptoms of cure  while the group that was given placebo does not show changes. Then the drug is said to be effective.

7 0
3 years ago
Which monomer makes up a polypeptide?
NeX [460]
Abundant amount of amino acids made up a polypeptide
6 0
3 years ago
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