Can someone help me if an astronaut has mass 100 kilometers , what is his weight on earth where his acceleration due to gravity is 9.8m/s2

What is the one part of the nucleotide  that differs among the other different nucle  tides?

Me what would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.

Which of the following best demonstrates the unity among all organisms? matching dna nucleotide sequencesdescent with modificationthe structure and function of dnanatural selectionemergent properties