Answer:
How to write steam in chemical equations???
Chemical equations are symbolic descriptions of chemical reactions wherein the reactants and the products are represented in terms of their respective chemical equations. They often include the use of symbols to represent variables including the path of the reaction and the physical responses of the reacting entities.
The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation.
Answer 1) Option D : Discrete
Explanation : As in the example the scientist studies about the effects of growing human populations on the biodiversity which is found in a region, and where each region was selected had a different population density of humans from 1 to 10 million per 10 square miles. Then in each region the number of different species that can be found was recorded. So here the numerical data was collected for different regions. So, we can conclude it as discrete because when the variable takes on a countable number of values it is called as discrete.
Answer 2) Option D : The entertainment industry
Explanation : When people had enough time and money with them there was no need of creating the communications industry as it was a need not a luxurious thing. With the creation of Internet industry it is somewhat irrelevant. They had enough of time and money so building a labor industry seems to be a lame choice. So, the option of entertainment industry suits the best.
Answer:
The periodic table displays the chemical elements based on their atomic numbers, electron configurations, and chemical properties.
Explanation:
(got the photo from Ms J Chem)
A buffer is a solution which resists changes to it pH when a small quantity of acid or base is added to it.
<h3>What is a buffer?</h3>
A buffer is a solution which resists changes to it pH when a small quantity of acid or base is added to it.
Buffers are made from solutions of weak acids and their salts or weak bases and their salts.
<h3>What is pH?</h3>
The pH of a solution is the negative logarithm to base 10 of yhe hydrogen ion concentration of the solution.
Solutions of low pH have high concentration of hydrogen ions while solutions of high pH have high hydrogen ion concentration.
Learn more about about buffers and pH at: brainly.com/question/22390063
