Physics, 18.03.2021 03:10 ayoismeisjjjjuan
Can someone proofread this plz? I put my answers next to the number, so all I need you to do is proofread it. the picture for number 5 is pinned below.
Question 1 (1 point) A
Saved
Waves transfer energy through matter or space.
Question 1 options:
True
False
Question 2 (1 point) A
Saved
Mechanical waves can travel only though a _ such as a solid, liquid, or gas.
Question 2 options:
medium
vacuum
prism
anemometer
Question 3 (1 point) B
Saved
Which of the following is not a type of mechanical wave?
Question 3 options:
transverse
concave
surface
longitudinal
Question 4 (1 point) C
Saved
The particles in this wave move perpendicular to the direction of the movement of the wave. These waves are snake like.
Question 4 options:
surface
transverse
longitudinal
cyclone
Question 5 (1 point) A
Saved
The arrow points to an example of
Wave
Question 5 options:
rarefaction
sound barrier
compression
prism
Question 6 (6 points) 5,1,4,3,2,6
Saved
Match each term to its definition
Question 6 options:
answer here ___
Higher the pitch
answer here___
top of the wave
answer here___
Louder
answer here___
Distance from crest to crest
answer here___
bottom of the wave
answer here___
Height of wave
1.
Crest
2.
Trough
3.
Wave length
4.
Amplitude
5.
Higher the frequency
6.
Higher the Amplitude
Question 7 (1 point)
What is the resulting direction of a surface wave?
Question 7 options: C
opposite
circular
perpendicular
parallel
Question 8 (1 point) C
Constructive interference occurs when the crest of 2 waves meet. This can occur when 2 troughs meet as well. When this occurs, water waves look
Question 8 options:
larger
invisible
smaller
the same (no change)
Question 9 (1 point) C
Saved
Water waves are surface waves. The energy of the waves moves
Question 9 options:
both parallel and perpendicular to the wave
only parallel to the motion of the wave
only perpendicular to the motion of the wave
Question 10 (1 point) A
Which molecule makes up 3/4s of the surface of Earth?
Question 10 options:
CO2
NaCl
H2O
C6H12O6
Question 11 (1 point) A
Saved
Water does not expand when it freezes.
Question 11 options:
True
False
Question 12 (7 points) 3,4,1,2,7,6,5
Saved
Match the clue with correct answer
Question 12 options:
3
1
4
tributaries
1
estuary
2
6
7
chloroplast
6
3
5
nucleus
1.
Small rivers that flow into larger rivers
2.
Number of states that drain into Chesapeake Bay
3.
The Chesapeake Bay Watershed ranks what place in the US in terms of estuary size
4.
A body of water containing salt and fresh water.
5.
control center of cell
6.
The Cell Theory has how many statements?
7.
The site of photosynthesis
Question 13 (1 point) D
Saved
What do eukaryotes have that prokaryotes don't?
Question 13 options:
ribosomes
cytoplasm
plasma/cell membrane
nucleus
Question 14 (1 point) 1,4,3,5,2
Saved
Arrange in order from smallest to largest
Question 14 options:
1
cell
4
organ system
3
organ
5
organism
2
tissue
Answers: 1
Physics, 21.06.2019 16:00
Stion 13 of 20 : select the best answer for the question. 13. if a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°c, what will be the volume at 50°c? a. 0.002021624 m3 b. 0.004021624 m3 c. 0.000010812 m3 d. 0.002010812 m3
Answers: 1
Physics, 21.06.2019 22:00
Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning
Answers: 2
Physics, 22.06.2019 10:00
Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.
Answers: 2
Physics, 22.06.2019 22:30
Compare the patterns of the two waves shown in the image. which statement is true about these waves?
Answers: 1
Can someone proofread this plz? I put my answers next to the number, so all I need you to do is proo...
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