Answer:
B. Yes, because the mass of all the products of burning is equal to the mass
of the reactants (wood and oxygen gas).
Explanation:
good luck
An environmental scientist studies the environment - you can see that in the beginning of the sentence :)
Answer: sorry i dont knowExplanation:
CuSO4 *5H20
In the formula of the hydrate, on the first place is the salt and on the second of water. so in ration on the first place should be salt also.
Answer:
In any ecosystem, organisms and populations with similar requirements for food, water, oxygen, or other resources may compete with each other for limited resources, access to which consequently constrains their growth and reproduction. Growth of organisms and population increases are limited by access to resources.
