Answer:Ways of protecting one's self from human sources of biological hazards include: Effective use of personal protective equipment such as hand gloves, nose masks, face cover, shoe cover.
Explanation:Human sources of biological hazards may include waste products from human such as faeces, urine and also fluids such as blood from bleeding wound, saliva and so on. These substances may harbor bacterial and viral infections which may result in biological hazards. Therefore, good personal hygiene and use of personal protective equipment will protect one from biological hazards related to human sources.
DNA is the ultimate control of cell's productions. So A.
A is true, the others are not. I would assume they count the mRNA and tRNA in protein synthesis as 'double stranded'
The root word of the word Microvasculer is MICRO