Question 17
1 pts
What cellular processes lead to the development of specialized cells, tissues, and
organs in multicellular organisms?
Mitosis and development
Fertilization and growth
Osmosis and diffusion
Active and passive transport

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.