What type of technology takes scientists to depths they cannot reach by any other means?

Biology

1 answer:

grigory [225]3 years ago

3 0

Answer:

Scientific drilling

Explanation:

Like proves sent into outer space, scientific drilling is a technology used to obtain samples from places that people cannot reach.

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A communications satellite transmits a radio wave at a frequency of 9.4 x 10^9 Hz. What is the signal’s wavelength? Assume the w

sergejj [24]

To calculate this we will use the light equation:
$c=$ λ $*f$

We have Frequency $f=9.4* 10^{9}Hz$ .
We know that speed of light in vacuum is $c =3.8* 10^{8} m/s$ .
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
$f=9.4* 10^{9}1/s$
 $c =3.8* 10^{8} m/s$

 $c=$ λ $*f$
⇒ λ $= \frac{c}{f}$
⇒ λ $= \frac{3.8* 10^{8}}{9.4* 10^{9}}$
⇒ λ $=0.04 m$

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Which statement BEST describes the source of new combinations of alleles in a zygote?

lana66690 [7]

C...both sperm and egg genetic material can be rearranged during their generation (meiosis).

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How does capillarity help sustain life? a. Plants use capillarity to move water from their roots to their leaves. b. Capillarity

anyanavicka [17]

A. Plants use capillarity to move water from their roots to their leaves.

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What would most likely happen if an error occurred when RNA was receiving coding information?

MariettaO [177]

If an error occurred when RNA was receiving coding information a protein wouldn't be formed correctly. RNA need's coding information to determine what type of protein it needed to produce. Hope I helped!

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Why is variety in crop plants important for food security?

aev [14]

Answer:

Disease and Famine

Explanation:

If there is a disease that affects a type of plant, having other types of crops to rely on could save one from starvation. Also, only planting one crop in an area can change the pH and nitrogen levels in negative ways, so that eventually no plants can grow there. Not to mention the obvious balanced diet needed for a healthy body.

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