Compact bone is the outer layer that is packed together very tightly. This is mainly for support & balance. The spongy bone is strung together loosely and looks like *no surprise here* a sponge. This helps create blood cells & other bodily garbage.
Answer:
Incubation period
Explanation:
The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient). It is during this time the pathogen begins multiplying in the host
An autotroph is an organism that can create nutritional organic substances from inorganic substances