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Phoenix [80]
3 years ago
5

True or false: seismographs from three locations are studied to calculate the epicenter of am earthquake

Physics
1 answer:
astraxan [27]3 years ago
7 0
True........don't blame me if i'm wrong.<span />
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4. Which of the following is the DNA sequence that a restriction enzyme binds to?
Elina [12.6K]

Answer:

DNA ligase

Explanation:

DNA Ligase is the enzyme that binds fragments of DNA together by forming two phosphodiester bonds between the 3' hydroxyl end of one nucleotide with the 5' phosphate end of the other. This reaction requires the hydrolysis of ATP.

8 0
3 years ago
Assume that the pendulum of a grandfather clock acts as one of Planck's
snow_lady [41]

Answer:

a

Explanation:

77 - 6 + 25 \div 35 \times 100

8 0
2 years ago
A student drops an object out the window of the top floor of a high-rise dormitory.
seropon [69]

-- The acceleration due to gravity is 32.2 ft/sec² .  That  means that the
speed of a falling object increases by an additional 32.2 ft/sec every second.

-- If dropped from "rest" (zero initial speed), then after falling for 4 seconds,
the object's speed is (4.0) x (32.2) = <em>128.8 ft/sec</em>.

-- 128.8 ft/sec = <em>87.8 miles per hour</em>

Now we can switch over to the metric system, where the acceleration
due to gravity is typically rounded to 9.8 meters/sec² .

-- Distance = (1/2) x (acceleration) x (time)²

       D = (1/2) (9.8) x (4)² =<em>  78.4 meters</em>

-- At 32 floors per 100 meters,  78.4 meters = dropped from the <em>25th floor</em>.


The 5 points are certainly appreciated, but I do wish they were Celsius points.


3 0
3 years ago
What layer produces the magma that causes seafloor spreading and valcanoes
Ber [7]
Upper Mantle produces the magma that causes seafloor spreading and volcanoes. Other term for that is the lithosphere. It is a solid, outer part of the Earth, extending depth of around 100 kilometers. it includes the crust and the brittle upper portion of the mantle. It is the coolest and most rigid part of Earth.
7 0
4 years ago
Why does a pencil in a glass container filled with water appear to be bent?
Bogdan [553]

The phenomenon is called "refraction".  It's the process of
light waves bending toward a different direction when they
cross a boundary between different media ... in this case,
from water into air.

Your brain doesn't know that the light waves bent toward a
new direction when they came out of the water into the air,
so your brain locates the bottom half of the pencil just like it
ALWAYS does ... in the direction the light waves are coming FROM.

4 0
4 years ago
Read 2 more answers
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