Question

4. Which two isotopes are compared in radiocarbon dating?
A. carbon-14 and nitrogen-12
B. nitrogen-14 and carbon-12
C. carbon-14 and oxygen-12
D. carbon-14 and carbon-12

5.What is the outermost layer of the Earth?
A.crust
B.mantle
C.core
D.ocean

6. Which rocks are the youngest?
A.rocks closest to the continental shelf
B.rocks closest to sea-floor ridges
C.rocks located on land
D. rocks in the middle of ocean basins

7. Which type of plate boundary experiences shallow earthquakes and is known
A.transform boundaries
B.seismic boundaries
C.convergent boundaries
D.divergent boundaries

8. Pressure builds up where prior to earthquakes?
A.the Earth’s surface
B.the edges of tectonic plates
C.the centers of tectonic plates
D.all of these

Answer 1

@Euler271

Answer 2

@lovatic4life

Answer 3

@prettyboy20202

Answer 4

5=crust 6=c 7=b <ithink 8=b

Answer 5

4: D

Answer 6

can you help me with some more?

Answer 7

sure

Answer 8

thanx

Answer 9

9. What is a seismogram?
A.a trace of an earthquake’s waves taken by a monitoring station
B.the energy released by an earthquake, which travels through the Earth’s crust
C.a tool used to measure the strength of earthquakes
D.a monitoring station set up to look for earthquakes

10. What makes up the universe?
A.all of the stars and planets in the galaxy
B.space and all of the energy and matter in it
C.the sun and the planets orbiting it
D.irregular galaxies

11. What are stars?
A.large balls of ice that emit light and heat
B.large balls of gas that emit heat
C. large balls of gas that emit light and heat
D.large balls of rock that emit light

15. What element will a supergiant’s core be composed of near the star’s final stages?
A.hydrogen
B.iron
C.helium
D.lead
16. Which planet experiences the hottest surface temperatures?
A.Mercury
B.Venus
C.Jupiter
D.Earth

Answer 10

@Anonymousstudent

Answer 11

Hello Sonya! give me two seconds to write down the answer :P

Answer 12

Which questions do you want me to answer?

Answer 13

11 - 16

Answer 14

11 is C. If you think of stars, think of the sun. The sun is one great big star that emits light and heat :)

Answer 15

13 is B! It's one of the hottest planets in our solar system :)

Answer 16

Oh 13, that I just answered is supposed to be 16 xD

Answer 17

The one with the core, that's hydrogen. I'm pretty sure.

Answer 18

And is that it? :)

Answer 19

can you answer 9 and 10 plz?

Answer 20

and 15?

Answer 21

9 would be A! It's a graph! :)
10 would be B! It's all of the space and energy. :)
15 would be A, I believe. Lots of stars are made up of Helium so.