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MissTica
3 years ago
7

12) How do harvesting wood and surface mining for coal affect ecosystems?

Biology
1 answer:
Tems11 [23]3 years ago
6 0

Answer:

no

Explanation:

because mining coal is not gonna affect eco system and coal mining is not good foy your body

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The first P-wave of an earthquake took 11 minutes to travel to a seismic station from the epicenter of the earthquake. What is t
iris [78.8K]

Answer:

\large \boxed{\text{5280 km; 25.5 min }}

Explanation:

1. Distance from epicentre

The average speed of P-waves is about 8 km/s.

(a) Convert minutes to seconds

\text{Time} = \text{11 min} \times \dfrac{\text{60 s}}{\text{1 min}} = \text{660 s}

(b) Calculate the distance

\text{Distance} = \text{ speed} \times \text{time} = \dfrac{\text{8 km}}{\text{1 s}} \times \text{660 s} = \textbf{5280 km}\\\\\text{The seismic station's distance to the epicentre is $\large \boxed{\textbf{5280 km}}$}

2. Time for S-wave

The average speed for an S-wave is about 3.45 km/s.

\begin{array}{rcl}\text{Distance} & = & \text{speed} \times \text{time}\\\text{5280 km} & = & \dfrac{\text{3.45 km}}{\text{1 s}} \times \text{time}\\\\5280 \times \text{1 s} & = & 3.45 \times \text{time}\\\text{Time} & = & \dfrac{\text{5280 s}}{3.45}\\\\ & = & \text{1530 s}\\& = & \textbf{25.5 min}\\\end{array}\\\text{It took the first S-wave $\large \boxed{\textbf{25.5 min}}$ to arrive.}

8 0
3 years ago
The nurse is caring for a patient who has parkinson's disease. the nurse observes that even after administering a prescribed dru
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Hey check out his link:
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6 0
3 years ago
What types of additional evidence are created when a body is dismembered?
dlinn [17]

The types of additional evidence created when a body is disembered are :

  • The proof of Physical assualt
  • The proof of the use of dangerous weapons

<h3>What happen when a body is dismembered?</h3>

When a body is disembered in a crime it provides the evidence that there was a physical assault unleashed on the victim by the offender and it also prove that dangerous weapons such as knives and axes or guns where used to carry out the crime.

Hence we can conclude that The types of additional evidence created when a body is disembered are : The proof of Physical assualt  and The proof of the use of dangerous weapons.

Learn more about evidences in a crime : brainly.com/question/5590175

#SPJ1

7 0
2 years ago
How would an organism respond to a catastrophic event?
BlackZzzverrR [31]
Charles Darwin theorized that all species undergo a natural cycle of evolution in order for the species to survive and thrive within its given environment. In the case of a catastrophic event, Mother Nature will naturally find a way to support life and the organisms that are within her care.
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3 years ago
Which of the following is NOT a mutagenic factor (causes mutations)?
Tamiku [17]

A Non-mutagenic factor listed in the options is : ( B ) Drinking water

<h3>Mutagenic factor </h3>

Mutagenic factors are chemical elements or various forms of radiations such as X-rays, UV rays, Sun rays, which may cause a permanent and heritable changes ( mutations ) in the DNA, when exposed to these mutagenic factors.

Hence we can conclude that a Non-mutagenic factor is Drinking water

Learn more about Mutagenic factor : brainly.com/question/1866437

3 0
3 years ago
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