Answer:
D) circadian rhythm
Explanation:
The Circadian Rhythm is often referred to as a "biological clock". This gives the impression that it governed by the organism and without the complete influence of abiotic factors but there are some influences none the less. The rhythms, include physical, mental and changes in behaviour. This is in alignment with the day-night cycle. Most organisms that follow a circadian rhythm respond to a pattern of light and dark. This influences the sleep-wake pattern.
Answer:
Explanation:im not suredc ofv
Answer:
b. killing pathogenic agents with a chemical made for that purpose.
Explanation:
Disinfection is usually carried out to kill microbial disease causing organisms. Disinfection involves using specialized chemical to kill these organisms. The substance use for disinfection is known as disinfectants. Disinfectants kills germs and infectious organisms, disinfectant are mostly used in the hospitals, kitchen, tooth surgery etc.
Pathogens are microbes that can cause disease to the body. Using disinfectants kills these pathogens . The disinfectant are usually specialized chemical for the purpose of eliminating pathogenic agents like viruses and fungi.
