State the difference between the two methods.

Biology

2 answers:

stira [4]3 years ago

6 0

Different boiling points?

‘Fractional distillation is a method for separating a liquid from a mixture of two or more liquids. For example, liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation. This method works because the liquids in the mixture have different boiling points.’

Alchen [17]3 years ago

3 0

Answer:

They look different

Explanation: Look at them. Yes ok good

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Describe the differences between the normal brain and the addicted brain

nikitadnepr [17]

Answer:

Normal Brain versus the Addicted Brain: The Difference The Normal Brain: Child touches hot stove — painful sensation transmitted to brain — brain transmits message to muscles to pull away instantly — memory indelibly etched in brain to avoid doing that again. Negative reinforcement for a negative event

Explanation:

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3 years ago

all matter ismade of atoms Which drawing shows the correct relationships between the three basic parts of an atom.

kolbaska11 [484]

Answer:

The options are not shown, however the attached picture should show the parts of an atom and the relationships between the three basic parts of an atom being Protons, Neutrons and Electrons.

In the nucleus of an atom, there are both Neutrons and Protons whilst the rings of the atom will contain the electrons.

The protons carry a positive charge and the electrons a negative one.

When the protons and neutrons are added together, these will give the mass number of the atom so the mass number of this atom is 32.

For a neutral atom, the Protons and the Electrons should be equal. Notice how there are 16 protons (+) in the nucleus and 16 electrons (-) on the rings.