Answer:Margulis
She is the one who discovered it
Answer:
sophisticated irrigation, chemical fertilizers, chemical pesticides
Explanation:
The use of irrigation to provide needed water and the use of natural fertilizers to promote crop growth are farming methods that have been practiced for centuries. More sophisticated irrigation techniques, various chemical pesticides, and modern chemical fertilizers have been developed in the twentieth century.
Fibrous Connective Tissue
Answer:
C)Producing certain abnormal protiens
Explanation:
Mutations in HTT gene causes Huntington disease. The HTT gene provides instructions for making a protien called huntingin. This protien plays an important role in the neurons of brain. Thus as the gene coding for this protien is mutated ,abnormal protien is synthesized.
This is because lactic acid from anaerobic respiration builds up in the muscles. It takes a while to recover from hard exercise, during which time you may still breathe heavily and have a higher heart rate than normal. ... Hard exercise causes a lack of oxygen in cells.
