A singularity did.
A singularity is an infinitely small and infinitely dense point of matter from which the universe came. The big bang theory suggests that the big bang was like a balloon inflating from that infinitely tiny point into the universe we know today. There is plenty of evidence about this.
Chloroplast contains the chlorophyll necessary for photosynthesis
Answer:
Explanation:
If we are talking about humans:
If you have a diplod genome (2n) (23 pairs of chromosome = 46 chromosomes total) then you have a body cell.
Gametes have haploid genome (n) = 23 chromosomes.
<u>Use this to understand the evidence given to you.</u>
<span>B)Double-blind studies are ways to ensure that only the researcher can figure out who is getting the effective drug. This is to help and maintain the objectivity of the study especially because since it concerns humans as test subjects. Moreover, it is also to avoid biases and errors which can be elicited by either the researcher himself or the participants. </span>
