I think the correct answer would be A. The yolk sac becomes the placenta. It is membranous sac that is attached to the embryo. It provides all the nutrition and the blood cells needed by the embryo. It is also called the umbilical vesicle.
Hey!
Back when I was finding a school I had the same problem! That reminds me of K12!
So what you do is label the areas L that have low pressure which is areas that are near sea level, kind of cold areas.
For H you label those near the center of the map. Which is more of the HOT areas.
It’s currently cold here, burrrr!!
I’ll provide a picture below.
Awesome seeing someone that went to the same online school!
Have a great day,
Eric
Note: you don’t need to label everywhere. If recommend using the map to guide you!
Reply if you have any further questions!!!!
Answer:
i think it is the 3rd one
