Answer:
A villi.
Explanation:
Small intestines have finger-like extensions that basically increase the surface area for nutrients to attach and get transported inside the bloodstream or cells.
2.34A
2.5 mol of ba (H3PO4)
1000.og of m= 2.3 m
A chriping bird i would say.
Response to the first question (I don't quite know how to explain the second): (Here's my simple version, just based off of common sense and background knowledge rather than a textbook. Hope it works!)
Gender is determined by the X and Y chromosomes. Females are XX, males are XY. Since there is already a ratio of 3:1 X:Y chromosomes, meaning that there are many more X chromosomes than Y chromosomes, it is more likely for the child to be female, because they are more likely to get two X chromosomes.
