Answer:
1. the boy got bad smell from the opened packet left on the table due to rancidity.
2. the packet which was kept in the refrigerator did not have bad smell because they did not come in contact with oxygen.
Explanation:
rancidity - when fats and oils are oxidised they become rancid and their smell and taste changes.
when eatbles come in contact with oxygen they oxidised due to this we get bad smell and taste from it .
Answer:
False
Explanation:
The primary productivity is higher than the secondary productivity, or any other productivity for that matter. The primary productivity comes from the producers, and it basically represents the total biomass of the producers. The producers outnumber and outweigh all other organisms by far, so they produce significantly much more biomass than any other type of organisms, thus being rated on the top for productivity.
Is an organism in its earliest stage of development. In humans, this is the stuff and defined as the developing organism from the fourth day after fertilization to end of the week. After that unborn baby is usually referred to as the fetus.
