1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nesterboy [21]
3 years ago
7

A 9.0 is how many times more powerful than a 4.0 on the Richter scale?

Biology
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer:

It increases 31.7 times between whole number

values.

Explanation:

"That is, the wave amplitude in a level 6 earthquake is 10 times greater than in a level 5 earthquake, and the amplitude increases 100 times between a level 7 earthquake and a level 9 earthquake."

You might be interested in
During a lunar eclipse, what blocks the light from hitting the moon's surface?
Allushta [10]

Answer:

Lunar Eclipse: The moon moves in an orbit around Earth, and at the same time, Earth orbits the sun. Sometimes Earth moves between the sun and the moon. When this happens, Earth blocks the sunlight that normally is reflected by the moon. (This sunlight is what causes the moon to shine.)

Explanation:

7 0
3 years ago
How do the prefixes endo- and exo- help you remember the definitions of the terms endocrine and exocrine?
Tasya [4]

Answer: it shortened the name and easier to remember

Explanation:

8 0
3 years ago
Read 2 more answers
How can we learn about life on early Earth?
Lapatulllka [165]

Easy. HISTORY or GEOGRAPHY books of specific areas you want to know more about.

6 0
3 years ago
how does a physical property such as mass or texture change without causing a change in the substance
d1i1m1o1n [39]
Through the process called osmosis..a process by which cells pass through a semipermeable membrane to a less concentrated area
7 0
3 years ago
Sandstone and basalt can be changed by heat and pressure to form _____.
Sphinxa [80]
I believe the correct answer from the choices listed above is option D. Sandstone and basalt can be changed by heat and pressure to form metamorphic rocks. They <span>are </span>formed<span> when </span>rocks<span> are close to some molten magma, and so get heated up. Hope this answers the question.</span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • The most common treatment for alzheimer's disease is to give drugs that stimulate ____.
    9·1 answer
  • Maribel places her backpack and lunch bag on a lab table where there are lab materials. What is the safest way for Maribel to ar
    9·1 answer
  • (04.03 HC) Salvatore had grown tired of his fish tank and would like to get rid of the fish and contents of the tank in a nearby
    15·2 answers
  • What is a polygenic trait
    15·1 answer
  • On a lab bench, there are four balloons filled with identical volumes of different salt solutions: 0% (balloon A), 5% (balloon B
    12·1 answer
  • During a menstrual cycle, what is the purpose of the uterine lining buildup? dirty 230
    6·1 answer
  • Identify one specific gas that contributes to the problem of global warming?
    7·2 answers
  • Which statement describes a self-feeder? A. An oak tree takes in energy from sunlight. O B. A bacterium gets nutrients from othe
    10·2 answers
  • Which is not a likely economic tool to address environmental issues?
    8·1 answer
  • Life sciences about gaseous exchange please help.​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!