Metastases is when cancer spreads to a different body part from where it started. They commonly develop when cancer cells break away from the main tumor and enter the bloodstream or lymphatic system. Why is this harder to treat? a
The cancer cells destroy immune function in the bloodstream.
b
The cells have evolved resistance to treatments.
c
The cancer cells stop their cell division.
d
It creates new tumors throughout the body.

the answer is d. chordata

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answer:

the water molecules are transferred from the roots to the stem or top parts of the tall tree because of important properties of water which are adhesion, cohesion and capillary action. cohesion is the property of water molecules keeps water molecules in a combined state by sharing of bonds between them at the atomic level. adhesion allows the interaction of water molecules with other substances or substrate. adhesion will cause the attachment of water molecules to the wall of the vessel (xylem) of the plant. capillary action occurs when the adhesive force to the vessel wall is stronger than the cohesive force between water molecules. capillary action mimics the transfer of water from a tube or pipe. in this way water utilizes its property to transfer water from down to top level of the plant.  

voluntary muscles are controlled by the cerebellum.