Work and study hard, don't worry about anything else except for natural needs, don't study all night because it wouldn't be easier, you need your sleep too. And just try to do your best. My step mom is said something about having to go back to a school for nursing and stuff, it isn't a college, its more of a VoTech school for all kinds of things. I hope I helped
During the first phase of the menstrual cycle which is called the follicular phase, estrogen hormone will gradually increase causing the uterus lining to thicken. This thickening of uterine lining is preparation for possible implantation of embryo if fertilized egg travels safety to the uterus.
Answer:
Provides a surface where algae attach and provide food for the corals
