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stira [4]
3 years ago
11

Explain how a balloon can become positively charged when rubbed with a cloth

Biology
2 answers:
Zarrin [17]3 years ago
6 0

Answer:

The electrons on the material that the balloon is rubbing against can transfer its electrons to the balloon, and then the electrons of the balloon can go to the cloth so now the balloon is left with a more positive charge

Explanation:

S_A_V [24]3 years ago
4 0

Answer:

Electrons can move from one substance to another when objects are rubbed together.

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In pea plants, purple flowers are dominant over white flowers. The phenotype ratio of purple to white flowers in a population of
lys-0071 [83]
1. 1
Since the ratio is purple flowers to white flowers, and the ratio is 4:1 out of 5 plants, there is 1 white flower. Remember that, in a ratio, the first number is the first one mentioned, and the second number is the second one mentioned.

2. A lizard with a tt genotype with have a short tail
Since the short tail is recessive, it can be represented with a lowercase letter (t), and since the long tail is dominant, it can be represented with a capital letter (T). Because the long tail gene is dominant, if even one capital T is present in a genotype, the lizard will have a long tail. You can label the different kinds of genotypes if it helps.

TT - long tail, since both genes are for a long tail
Tt - long tail, since one gene is for a long tail, and the long tail is dominant
tt - short tail, since both genes are for a short tail

Hope this helps!
6 0
3 years ago
What are biological proteins that lower the activation energy for chemical reactions?
mote1985 [20]
These proteins are called enzymes. They are very shape specific and therefore will usually lower the activation energy for a specific reaction.
3 0
3 years ago
What are genes? Question 3 options: A the observable characteristic B the expressed trait C the basic unit of inheritance D the
Nonamiya [84]

Answer:

I guess it is C.

Explanation:

Because a gene is the basic unit of heredity that determines a offspring's characteristic, my guess is that the answer is C

(Hope this helped!)

7 0
3 years ago
Granite is a coarse or medium-grained rock that is rich in quartz and feldspar. It is formed when bodies of magma cool and harde
Arturiano [62]

Granite is a type of intrusive igneous rock

Explanation:

An igneous rock formed from hot magma or lava cools, solidifies or crystallizes to form rocks.

Based on the rate of cooling of magma, igneous rocks can either be intrusive or extrusive.  

A slow cooling of the magma deep within the earth without reaching the surface of the volcano leads to the production of intrusive igneous rocks.

This slow cooling leads to crystallization forming large crystals visible to the eyes with a phaneritic texture.

Granite has the best phaneritic texture among intrusive igneous rocks. Granite crystals can be easily visualized and are constituted by minerals like white feldspar, black hornblende, translucent quartz, and platy black biotite.

Extrusive igneous rocks like basalt are formed from microscopic crystals from fast cooling of magma.

7 0
2 years ago
HELP PLEASE! Why might a scientist repeat experiment if she did not make a mistake in the first one
trasher [3.6K]

Answer:

i believe its B but i might be mistaken.

Explanation:

4 0
2 years ago
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