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I am Lyosha [343]
3 years ago
7

How has technology chamged farming

Biology
1 answer:
svet-max [94.6K]3 years ago
5 0
Nowadays we have much more modernized farming. There are combines, tractors and other machines. Back then they used hundreds of workers and now 1 machine gets all that done in half the time. Try googling it for more info.
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What is molecular polarity
krek1111 [17]

Answer:

The electron density of a polar bond accumulates towards one end of the bond, causing that end to carry a slight negative charge and the other end a slight positive charge. Likewise molecules in which there is an accumulation of electron density at one end of the molecule, giving that end a partial negative charge and the other a partial positive charge, are called polar molecules.

6 0
3 years ago
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How does a magnifying glass make an object look bigger and closer?​
ANEK [815]

Answer:

Any converging lens that has a small focal length (several centimeters) can be used as a magnifying glass. The observed object is placed in front of the magnifying glass so that it is located between the lens and the focus (closer to the focus).

Explanation:

It consists of only one condenser lens of small life (a few centimeters).

The observed object is placed between the magnifying glass and its focus (closer to the focus)

The observer sees an upright and enlarged figure of the object.

In order to like clear video ("sharpen"), the magnifier zooms in or out of the subject.

When the character is most clearly seen, we can find ourselves on a given high species.

For a man with normal eyesight, it is about 25 cm.

6 0
2 years ago
Crossing over occurs during which phase of meiosis
grandymaker [24]

prophase

Further genetic variation comes from crossing over, which may occur during prophase I of meiosis. In prophase I of meiosis, the replicated homologous pair of chromosomes comes together in the process called synapsis, and sections of the chromosomes are exchanged.

Hope it helps!

4 0
3 years ago
PLEASE HELP
Lelu [443]

The best kind of model for the scientist to use is an interactive model of the planets' orbits on a computer.

<h3>What is the law of orbits?</h3>

Kepler's first law, also known as the law of orbits, describes the shape of planetary orbits. According to this law, the planet's orbits around the Sun are elliptical, despite having very small eccentricities.

For this reason, it is necessary to know all the orbits of the planets in an interactive way, since according to Kepler's law, the orbits decrease over time.

See more about orbits at brainly.com/question/18914648

#SPJ1

8 0
1 year ago
Eukaryotic plasma membranes can contain cholesterol, which tends to make the membrane more stable.
7nadin3 [17]

Answer: true

Explanation: in able to do this it has to transport proteins that can span the cell membrane and allowi the permeable membrane to regulate which molecules enter and leave a cell.

Question answered by:

                            (jacemorris04)

8 0
3 years ago
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