Answer:
b
Explanation:
earth's ocean did grew higher over time because o rainfall for the last 20 years!
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Answer:
volcanic eruptions, earthquakes, and tsunamis
Explanation:
Explanation:
The conversion of Celsius to Kelvin: Kelvin = Celsius + 273.15. Instead of 273.15 the value of 273 is also used.
Flucuated between hot and cold periods
