Answer:
C or D
Explanation:
When we say a furnace is “sealed combustion,” it means it draws on air from outside the house to use for burning fuel (i.e. combusting fuel). ... It's closed-off and draws air through a plastic PVC pipe that connects it to the outside. A second pipe attached to the combustion chamber sends out the exhaust
Answer:
Online Cruelty takes places when a person uses digital tools such as mobile phones and internet to harass or upset someone, often repeatedly.
Such people behave thoughtlessly and cruelly.
It harms a person's mental well being and health.
It can encourage other people to carry out physical attack as cruelty threatens a persons physical integrity.
<u><em>The family members and friends of the target are likely to be affected by the behavioral changes in the target.</em></u>