Answer:
Osteoblasts
Explanation:
Cells that secrete protein fibres in bones are called osteoblasts.
I hope this helps.
Answer: The impact of the colliding plates can cause the edges of one or both plates to buckle up into a mountain ranges or one of the plates may bend down into a deep seafloor trench.
Explanation: A chain of volcanoes often forms parallel to convergent plate boundaries and powerful earthquakes are common along these boundaries.
The event last in 15,600 seconds.
Answer: Option B
<u>Explanation:</u>
We know that there is 60 seconds in one minute i.e., 1 minute = 60 seconds
There is 60 minutes in one hour. i.e., 60 minutes = 1 hour.
Given : An event lasts 4 hours and 20 minutes
4 hours contains 240 minutes,

When the above expressed in seconds,
------>eq. 1
When 20 minutes expressed in seconds,
------->eq. 2
Adding both eq. 1 and 2, we get
4 hours and 20 minutes = 14400 + 1200 = 15600 seconds
Answer:
1.A
2.I
3.E
4.H
5.C
6.J
7.B
8.D
9.G
10.F
Explanation:
I believe that's the order it goes wasn't sure about 2 & 6 but I hope this helps :D