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MakcuM [25]
2 years ago
12

If you placed two stainless steel spheres in contact with each other and the electrical charges were distributed because a negat

ively charged rod came close to the first would the first sphere have all negative charges and the second sphere have all positive or would the first one have all positive charges and the second have all negative?
Biology
1 answer:
xxTIMURxx [149]2 years ago
4 0

Answer:

Given that a negatively charged rod is brought closer to two metal spheres which are in contact with each other as shown: So, free electrons from rod will be attracted towards the metal spheres.

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A botanist discovers a new species of land plant with a dominant sporophyte, chlorophylls a and b, and cell walls made of cellul
olchik [2.2K]

Answer:

e. spores

Explanation:

In the given question, the characteristics of a plant are mentioned which are the dominant sporophyte, cell wall and the Chl a or b.

It is mentioned that the plant has a dominant sporophyte therefore it produces the spores during its life cycle. The other features like the endosperm, seeds, flowers are the characteristics on the basis of which the plant can be characterised as they differ in the plants.

Since the production of spores is a characteristic feature of the sporophyte, therefore, it will be least considered by the botanist to discover a new species.

Thus, Option-E is the correct answer.

3 0
2 years ago
Enter a nuclear equation for the fusion of two h-2 atoms to form he-3 and one neutron. express your answer as a nuclear equation
aliya0001 [1]

The nuclear equation that represents the fusion of two H-2 atoms to form He-3 and one neutron is

\frac{2}{1} h + \frac{2}{1} h >  >  >  >  \frac{3}{2} he   +  \frac{1}{0} n

In a nuclear reaction the nuclides are represented with the chemical symbol preceded by a superscript that represents the mass number (number of protons plus neutrons) and a subscript that represents the atomic number (number of protons).

<h3>What is a Nuclear reaction ?</h3>

A nuclear reaction is a process in nuclear physics and nuclear chemistry where two nuclei or a nucleus and an outside subatomic particle meet to create one or more new nuclides. Consequently, at least one nuclide must change throughout a nuclear reaction.

Learn more about Nuclear reaction here:

brainly.com/question/984564

#SPJ4

6 0
1 year ago
Local farmers think that a commonly used pesticide is responsible for the increase in appearance of frogs with an additional app
stira [4]

Answer:

D.-

Explanation:

A control group is needed to carry out the experiment, that control group is the one that is not injected with anything.  Ethanol and pesticide need to be injected into separated groups to document whether it is one or the other that is harmful

4 0
3 years ago
A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have the normal number
Mnenie [13.5K]

Answer:

The correct answer is - option D. 1/2

Explanation:

Extra digits on hands and feet mean an individual has six fingers in each hand and feet, this is known as polydactyly. Polydactyly shows an autosomal dominant type of inheritance pattern.

In this case, the mother is normal so she must be recessive alleles and the first daughter is normal so the father must have a recessive allele which means he is heterozygous.

Cross:

Man = Dd

Woman = dd

Their children :

    D      d

d   Dd    dd  

d  Dd    dd

Probability of polydactyl child = 2/4 or 1/2 or 50%

6 0
3 years ago
Which statement correctly explains refraction?
strojnjashka [21]

the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.

6 0
3 years ago
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