D. a secured loan requires collateral and an unsecured loan does not
Answer: NATURAL
Explanation: Pollution is the release of harmful substances or materials into the environment,this can occur through households or industrial Activities. Pollution can also be defined by the presence of materials in very high amount capable of causing hazards. Pollution directly affects the Natural environment and distorts, it creates threats and reflect changes in which macroenvironment.
Answer:
1,2- See attached pictures.
3-
1. LIFO
2. Average
3. FIFO
Explanation:
See attached pictures.
In a truth table, the expression true and true is false. A truth table is a mathematical table thar is used in logic. It is specifically connected with Boolean algebra, boolean functions, and propositional calculu. That arrange the functional values of logical expressions on each of their functional arguments. The meaning is that for each combination of values taken by their logical variables. Particularly, it can be used to demonstrate whether a propositional expression is true for all legitimate input values, that is, logically valid.