When the male sex cell which is the unites with the female sex cell, takes place. a) sperm b) egg c) fertilization d) ovulation e) endometriosis

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment