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
Arlecino [84]
3 years ago
10

Marty and Jonas are spending the week at the beach. The ultraviolet rays in their skin are electromagnetic waves from the sun, a

nd the ocean waves in which they swim are mechanical waves. What is the main difference between mechanical waves and an electromagnetic wave?
A) Electromagnetic waves transfer matter, and mechanical waves do not
B) Mechanical waves require a medium, and electromagnetic waves don’t
C) Mechanical aves transfer energy, and electromagnetic waves don’t.
D) Electromagnetic waves have more energy than mechanical wave.
SAT
2 answers:
Vsevolod [243]3 years ago
8 0

Answer:

i think b or d

Explanation:

enot [183]3 years ago
4 0
BBBBBBBBBBBBBBBBBBBBBBB
You might be interested in
Robbie is trying to learn as much as he can about a rock that he found. This particular rock contains some fossils. What can Rob
max2010maxim [7]
Absolute dating is used to determine a precise age of a rock or fossil through radiometric dating methods. This uses radioactive minerals that occur in rocks and fossils almost like a geological clock. It's often much easier to date volcanic rocks than the fossils themselves or the sedimentary rocks they are found in.
8 0
3 years ago
Read 2 more answers
The telephone numbers in a telephone book is Categorical<br> or Quantitative?
Natali [406]

Answer:

Categorical

Explanation:

it is listed from A to Z

6 0
4 years ago
Read 2 more answers
In the xy-plane, if (0,0) is a solution to the inequalities above, which of the following relationships between a+b must be true
natali 33 [55]
  • a must be greater than zero
  • b must be less than zero

<h2>Explanation:</h2>

The complete question is written in a comment above. The system of inequalities is the following:

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}yx+b\end{array}\right.

So, in order to find a \ and \b you just need to replace both x and y-coordinates into our system. Therefore:

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}00+b\end{array}\right. \\ \\ \\ Solving: \\ \\ \begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}0b\end{array}\right. \\ \\ \\ Finally: \\ \\ \begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}a>0\\b

So the conclusion is:

  • a must be greater than zero
  • b must be less than zero

<h2>Learn more:</h2>

Inequalities: brainly.com/question/12890742

#LearnWithBrainly

8 0
4 years ago
Years ago, home depot had an annual dividend of $0.90. if you owned 4,000 shares of home depot, how much did you receive annuall
Zielflug [23.3K]

Given:

# of shares = 4000

Dividend per share = 0.90

The income by dividends is the product of the number of shares and the dividend per share.

Income Dividends =  # of shares x Dividend per share

4000 x 0.90 = 3600

6 0
3 years ago
What does the score range mean below my score?
inessss [21]
It means that each section of the test that you took you scored 1130 through 1210.
4 0
3 years ago
Read 2 more answers
Other questions:
  • The total cost of 30 identical erasers is y dollars. At this rate, what is the total cost in dollars of 70 of these erasers in t
    8·1 answer
  • What is the range of the function f(x)=3x^2+12x + 18
    5·1 answer
  • Which description accurately depicts nonverbal communication?
    11·2 answers
  • Q = 1/2 nv2
    14·1 answer
  • How can you test a water source to see whether it is acidic or not
    11·2 answers
  • Which is the closest synonym for the word contaminant?
    5·2 answers
  • HOW TO ENSURE SMART CITIES BENEFIT EVERYONE
    14·1 answer
  • During a busy time at the bakery counter.
    12·2 answers
  • What is the approximate length of the apothem? 0.4 cm 0.8 cm 1.5 cm 1.9 cm
    9·1 answer
  • Which statements regarding multiple referral are true
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!