Answer:
NaHCO3 + HCl = NaCl + H2O + CO2
Explanation:
The total number of atoms of each element on either side of the equation must be equal.
Plagiarism is when you just copy exactly what someone else says, without their permission, or without citing where you got it from.
Common knowledge should be your own words. unless you take it from somewhere else, it doesnt need anything.
Answer:
The youngest rock layers are at the top and the oldest are at the bottom, which is described by the law of superposition.
Explanation:
I think the best answer is b): it contains particles that can settle out.
The definition of suspension is a heterogeneous (that is same in all parts) mixture that contains particles that could undergo sedimentation (settle down) - this definition is close to b). It should not matter whether those particles are nutrients( so A or C are not good answers).
Answer:
Water, air, and food.
Explanation:
All living things need air water and food to live.
