What's the definition of propagation concerning plant life? a. the process of natural plant reproduction b. the process of plant functions slowing down c. the process of a plant storing energy d. the process of the plant's mechanisms working together

The tubes transporting minerals and water upward are called ?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

In which state was more than 100 billion tons of coal mined in 2005?