Which of the following explains how osteoclasts and osteoblasts remodel bone? osteoclast remove old bone while osteoblasts build new bone. osteoblast remove old bone while osteclasts build new bone. osteoclast deposit layers of compact bone while osteoblasts break down calcified matrix. osteoblast deposit spongy bone while osteoclasts break down compact bone.

The correct answer is a.
Bone remodelling (or bone metabolism) is the term describing the continuous reshaping of the bones, by removing mature bone tissue and forming new bone tissue. Two main types of cells participate in this process, the osteoblasts and osteoclasts. Osteoblasts secrete new bone and osteoclasts break down the mature bone.

Schools are being forced to embrace computers. unlike their "digital immigrant" teachers, these students are "digital natives", born into a world where technology is an integral part of everyday life. almost every student has access to a multitude of computers, laptops and tablet devices. it would be crazy to assume an assignment would  notbe written on computer in this day and age.many schools now have a 1-to-1 computer policy, and many districts and states in the united states have mandated computers or ipads across the state for every student,  including los angeles, the second largest school district in the country.but the thing is, when they tried it in la, it wasn't the success they hoped for. that's because the tablets weren't used as much as they expected. rather, it appeared there was a gap between the digital native's love of technology and their use of it in the classroom.this conflicted relationship with computers is also underscored by much of the literature on education. it is also highlighted in professional development and conferences such as  edutech.

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.