I think the answer is letter A. I hope this helps and i would have someone check this to make sure it's the correct answer for sure.
Answer:
Las teorías extraterrestres o de panspermia sugieren que la vida existió en el espacio exterior y fue transportada por meteoritos, asteroides o cometas a una Tierra receptiva. En este caso, el origen de la vida no está relacionado con los posibles entornos de la Tierra primitiva.
Explanation:
The answer is D)
<span>After age 30, if you have 3 consecutive normal Pap tests, then you may be screened every 2 to 3 years.</span>
gene - a unit of heredity that is carried from parent to offspring to determine the characteristics of the offspring
allele - a different type of a gene
Ex. hair color, eye color
Hope this helps! ^-^
