Answer:
1. Causes: commercial production of many chemicals massive use of chemicals in food, agriculture, medicine, and industry
2. Consequences: increase in reproductive disorders contamination of soil, air, and water bioaccumulation and biomagnification of toxins in the food chain. 
3. Solutions: consumer choice of low-toxicity products stricter regulations requiring that consumer products be thoroughly tested before being released to market. 
Explanation:
This factors could lead to more toxic substances being released into the environment (causes), the consequences that result from toxic substances in the environment, and possible solutions to save environmental degradation. 
 
        
             
        
        
        
Answer:
Programmed decision 
Explanation:
The programmed decision is the decision which are taken on a daily basis or we can day to day basis or routine basis. It is likely for solving the structured problems
In the given case, since minimum three bids are received and the bid who has less value meets the specification that results in an acceptance
Therefore this case is of Programmed decision 
 
        
             
        
        
        
Mycenaean Greeks became more powerful after destruction of Crete.
Option c
<u>Explanation:</u>
The Civilization of Mycenaean in the ancient Greece is considered to be the last phase of the bronze age with the span of 1600–1100 BC. The civilization was named after the most prominent area called the Mycenae in Argolid. 
The first wave of destruction in their mainland occurred in 1250 BC due to few unidentified reasons. The second and final destruction happened on 1190 BC which marked the end of the whole civilization. 
They are known to be the first human to speak the Greek language. They were majorly influenced by the people of earlier Minoan civilization which was situated on Crete island.
 
        
             
        
        
        
Answer:
a-
[Find solution in the attachment]
a- 2) 
Balance of accounts receivable at the end of 2018 = $2,400
Solution b:
Balance of accounts payable at the end of 2018 = $7,100
Solution c:
Gross margin = Sales - COGS = $21,400 - $14,300 = $7,100
Net Income = Gross margin - Operating expenses = $7,100 - $3,900 = $3,200
Solution d:
Cash flow from operating activities = Cash received from customer - Cash paid for accounts payable - Cash paid for operating expenses = $19,000 - $11,900 - $3,900 = $3,200
 
        
             
        
        
        
Answer:
income approach
Explanation:
The income approach method for calculating the GDP adds the factor incomes to the factors of production. It uses an approach similar to general accounting procedures since the total amount of the expenditures = total income. It divides the economy into four major factors of production or sources: wages, rents, interest and profits.