Could be a graduated cylinder. Hope this helps :)
There's been a lot of bad news for polar bears recently. In 2007, for example, scientists reported that if global warming continues unabated, the population could drop two-thirds by 2050.
Answer:
determination is the process in which embryonic stem cells commit to one specialized function. differentiation is the process in which cells develop their specialized shapes and functions. determination has to happen for differentiation to occur.
Smallpox- began Africa, spread through trade and human interaction.
Chestnut blight-isn't this a chestnut found in America?
The lambdoid connects the occipital bone to the parietal bones!