Answer:
Option D, Zinc is higher on the activity series because there is clear evidence of a reaction.
Explanation:
It is very clear that a metal which is higher in activity will replace a metal having lower activity.
Since, Zinc has higher activity than copper, it is very sure that it in a copper chloride solution it will replace copper and produce zinc chloride solution leaving behind copper as residue.
Residues of copper is a clear evidence of reaction
The chemical equation for this reaction would be -
Hence, option D is correct
Answer:
Communication is the important phenomena that helps in the interaction between the people. Communication can be done in the form of language, signs and gestures.
The communication gap between the parents and children might creates a problem in their relationship. The parents should talk politely with their children if they do not want to talk with them. The parents should start communication with the topics in which their children are also interested. They should ask them about the children daily routine and their friends.
Explanation:
En primer lugar, la biodiversidad y los ecosistemas nos brindan servicios esenciales para el bienestar humano. Nos otorga oxígeno, alimento, vestimenta y salud. Asimismo, son importantes para el desarrollo socioeconómico de la sociedad.
Answer:
One difference between monotremes and other types of mammals is that monotremes secrete milk through pores on the surface of the mother's abdomen.
Explanation:
Monotremes are three different types of mammals. They are calsified by structural differences in their jaws, reproductive tract, brains, digestive tract, and some other body parts compared to the more common mammalian types. Monotremes secrete milk through pores on the surface of the mother's abdomen, they actually <em>lactate from their mammary glands via openings in their skin.</em>
Answer:
you might have some negative and positive behaviors from some people in certain environments
Explanation:
I go through these in my home town