Answer:
B
Explanation:
it transports water from roots to the leafs
I think they are alive bc they are in a living body with cells
Answer:
The spectra of the Sun and stars exhibited bright and dark lines called Fraunhofer lines. These were shown to be caused by elements emitting or absorbing light at specific wavelengths. Because each element emits or absorbs light only at specific wavelengths, the chemical composition of stars can be determined.
Human teeth are made up of four different types of tissues.
