Photosynthesis produces oxygen gas by the reaction of sunlight and carbon dioxide. Every living thing living in an ecosystem requires oxygen to breathe and to survive.
Answer:
stethoscope is the instrument used to measure heart beat
Observation the action or process of observing something or someone carefully or in order to gain information:
Answer:
Reflected Light
Rays of light reflect, or bounce off objects around us.
Answer: Kuru
Explanation:
Kuru are transmitted by prion. This diseases are untreatable and ultimately fatal.
Prions are infectious proteinaceous particle that are neither virus nor do they contain nucleic acid.
They are transmitted by ingestion of the infected nervous system tissues.They are normally found in the healthy brain tissues if this protein is mis-folded into denatured form it can cause disease.
