At what age do billions of cells make connections

The growth of skeletal bones is controlled by a hormone from the:

An object has a mass of 5.52 g and a volume of 12 mL. What is the density of the object? 0.18 g/mL 0.24 g/mL 0.46 g/mL 0.62 g/mL

A grouping that includes the ancestor and all of its descendants is:

Skeletal muscle fibers contain striations. what is the best description of a striation?

Which of the following promotes closure of the minivalves associated with lymph capillaries?

Is the gene for being a supertaster autosomal or sex-linked?

Which is the most suitable purpose for using a globe? A. finding the Mississippi River B. seeing a town in North Dakota C. searching for the best route from New York to Los Angeles D. seeing the whole earth

The oldest forensic laboratory in the US was built by whom? Los Angeles Police Department Boston Police Department New York City Police Department Chicago Police Department

Which could be a reason viruses are considered nonliving things? Viruses come from cells. Viruses produce cells. Viruses are made of DNA and proteins, but not cells. Viruses attack cells and are dangerous to them.

How do humans become murderers? What are some of the reasons that cause it?