The following events are part of endochondral ossification. In which order do they occur? • Formation of the primary ossification center
• Osteoclasts break down the spongy bone to create marrow cavity.
• Cells from the perichondrium differentiate into osteoblasts.
• Formation of the secondary ossification centers
• Calcification of matrix surrounding chondrocytes
A.)1,423,5
B.)5,3,1,2,4
C.)1,5,3,4,2
D.)5,3,1,4,2

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.

bc blah

explanation:

bc blah

tissue

explanation:

it is actually formed by geoup of cells which is tissue