Answer:
The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
Answer:
I am explain you in image
Answer:
I think the answer is
D Wind, Solar, Hydro-Electric
Explanation:
Oxygen (O) ,Neon (Ne),Argon (Ar)
Answer:
2 grams of salt must be added by chef to make the recipe noticeably saltier.
Explanation:
Weber's Law :

Where =
I = Initial stimulus intensity
ΔI = Difference threshold
k = Weber constant
According to Weber’s constant for saltiness , k= 
Amount of salt required for the recipe , I= 10 g


2 grams of salt must be added by chef to make the recipe noticeably saltier.