Answer:
Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects
Answer:
Biomass is a plant that operates a similar gas and coal-fired plants. Instead of burning fuel this plant is fueled by (different biomass like growing trees,wood chips,biogad,etc)
Ex: In 2017 ,biomass generated 2.3% of the world's electricity
Hope this helps !
Weather changes every day, while climate changes annually or every 3 months
To copy the DNA, recombinant DNA method use bacteria such as E. Coli whose plasmids has been combined with various gene to produce the substance that is wanted.