Answer:A) It was developed from past observations- true
It is subject to experimentation and revision.- false
It explains why mass is conserved- false
It predicts future observations-true
Explanation:
Before a hypothesis is proclaimed to be a law in science, numerous observation must have confirmed its validity and rigorous experimentation under carefully controlled conditions usually precedes the acceptance of a hypothesis as a law. The law of conservation of mass was developed from numerous past observation that proved its validity.
Answer:
C47N9O18 is the empirical formula of this compound.
Explanation:
i think helium hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
Sodium mn2 and po4 makes sodium
