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
BaLLatris [955]
3 years ago
7

8. By using sound waves, _______ signals allow oceanographers to determine ocean depth. A. radio B. radar C. phone D. sonar

Geography
2 answers:
ra1l [238]3 years ago
7 0
Sonar is correct it detects soundswaves underwater
Naddika [18.5K]3 years ago
3 0
D. sonar
 It's what the Navy and ocean animals to detect things under water

You might be interested in
Explain the difference between renewable and nonrenewable energy resources. Choose a nonrenewable energy resource and explain ec
Komok [63]

Answer:

Explanation:

<u>Renewable resources</u>

Renewable resources are the ones that can be replenished again and again i.e. they can't get exhausted after the use. On to other hand, non renewable energy resources can't be replenished again and again and can become exhausted after the usage .

For example ,

A) fossil fuel:

<u> Economically </u>fossil fuels are very cheap and hence widely used in economically poor areas.

Fossil fuels has the adverse effects on environment as their burning releases carbon dioxide in the atmosphere, which is the main reason for global warming.

<u> Benefits:</u> It is very cheap and hence anyone can afford it. Economies of poor countries are very much dependent on the

They are easily accessible and do not need much of technological advancement or heavy machinery.

<u>2. Solar energy:</u>

<u> Economical cost</u>: Economically it is very expensive and hence it's usage is limited to rich countries only. Silicon used in it is very expensive.

<u> Environmental: </u>It is environment friendly and so it is a clean source of energy.

<u> Benefits: </u>

In this world of drastically changing global climate, increasing pollution and with highly burdened energy resources, solar energy is turns out to be a Savior. It is pollution free and has unlimited abundance .

6 0
3 years ago
What is Human Environment Interaction
nexus9112 [7]
Interactions<span> between the </span>human<span> social system and (the “rest” of) the ecosystem</span>
6 0
3 years ago
Point J is on line segment \overline{IK}
Olegator [25]

Answer:

you should put this question under math so people who know math can answer it. This is geography not geometry

Explanation:

4 0
3 years ago
What is the difference between etymology of epidemic and etymology of pandemic
kondor19780726 [428]

Answer:

If you are asking what they mean,and what the difference is, here is what i found.

Explanation:

An epidemic disease is one “affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent.” While a Pandemic is an epidemic that has spread over a large area, that is, it’s “prevalent throughout an entire country, continent, or the whole world.” Hope this makes sense!

6 0
3 years ago
Soil degradation and erosion in a region where many people are subsistence farmers can lead to which of the following results?
zvonat [6]
It can lead to food Scarcity, since the erosion will wash away the food which farmers have planted.
4 0
3 years ago
Other questions:
  • Which of the following statements about the rivers of the United States and Canada is false?
    14·1 answer
  • What sea is found west of the Antarctic peninsula
    7·1 answer
  • What theory did the presence of iridium, an element only found in extraterrestrial objects, in geologic deposits dating to 66 my
    11·1 answer
  • City X has extremely cold winters and relatively mild summers. where is it located? Brazil, England, Australia, or Russia
    7·1 answer
  • BRAINLIEST!!!!
    9·2 answers
  • Consider the following hypothetical observations, some of which are real and some of which are fictional. For each observation,
    10·1 answer
  • Calculate the local time at the following place when it is noon at Greenwich.
    11·1 answer
  • Analyze the map below and answer the question that follows. A thematic map of South America. Climate regions on the map are labe
    8·1 answer
  • 2.
    14·1 answer
  • If the body of mass 100 gram has kinetic energy 20 joule, what will
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!