Are the “strings” of celery xylem or pholem tissue?

Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?