Answer:
C and D
Ocean acidity was greater in 2010 than in 2000.
Heart disease is the major cause of death in the United States.
Explanation:
just took the question and those are the only two that are correct.
I believe it is atom, then tree seedlings, then a cat, then a fence panel, then a pecan tree and lastly the house
Answer:
using multiple origins of replication on each chromosome
Explanation:
I believe it is K or rather potassium
Answer:
lead pencils (graphite)
fertilizer (potassium, sodium, calcium)
chalk (gypsum)
flashbulb (zirconium)
window glass/mirrors (silica)
table salt (halite)
Explanation: