Answer:
KBr
Explanation
KBr is an ionic compound which have very high BP since they exist as 3D crystals
Methyl Bromide, CH3Br. is a covalent compound which have low BP since they exist as individual molecules
Answer:
Use a scientific calculator
Answer:
because the amount of pigments change as thee leaves prepare to fall from the trees
Answer: A lot of food chains
Explanation: A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.