Answer: The correct answer is : The critical density for the universe is approximately 10 ^ -26 kg / m ^ 3 or you can also say 10 hydrogen atoms per cubic meter.
Explanation: This value is given by:
critical density = 3H ^ 2/2 Pi G, where H is the Hubble constant and G is Newton's gravitational constant.
Critical density is the average density of matter necessary for the universe to stop its expansion but after an infinite time.
Answer:e. moral principles and values that govern the actions and decisions of an individual or group.
Explanation:
Ethics are those standards that are social acceptable by individual groups which guides their actions sometimes to ensure that those actions that they take are not hurtful or betrayal or damaging to themselves or to their surroundings which include people around them and the environment.
Every individuals have their own principles and values that they live by such as religious principles and values which guides how one interact with others and how they go by making decisions in their lives.
A ledger is used for the calculations of payment and balancing the accounts records.
<h3>What is a ledger?</h3>
A ledger is a account or a book that is used to record the bookkeeping entries for the balance-sheet and income-statement transactions.
Through the ledger account, a ledger balance is calculated by the bank at the end of each business day that may includes all the withdrawals done and deposits made for computing total money available in the bank account.
The ledger contains the information like assets, liabilities, expenses, revenue etc.
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The learning experience where a person or school child are taught not to speak until the teacher calls on them and to regulate their activities according to clocks or bells, <em>best illustrates</em>:
According to the given question, we are are asked to state the <em>best illustration</em> which is given when a person or school child are taught not to speak until the teacher calls on them and to regulate their activities according to clocks or bells,
As a result of this, we can see that the hidden curriculum has to do with the unwritten or unofficial lessons or values which a person learns from school or any other social gathering which are learned by the enforcing of official rules.
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The properties of the liquids from what they have described here would be that :
- The yellow property is the physical property
- The corrosive nature is the chemical property.
<h3>What is a physical property?</h3>
This is the term that is used to refer to a measurable change. It is one that is not manifested through a chemical type of change.
<h3>What is a chemical property?</h3>
This is any substances that is known to change during the action of any chemical reaction.
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Complete question
A yellow liquid is found to be corrosive. How are the properties of the liquid best described? (select all that apply)
Select all that apply:
The corrosive nature of the liquid is a physical property.
The yellow color of the liquid is a physical property.
The corrosive nature of the liquid is a chemical property.
The density of the liquid is a chemical property.
