Ava is five weeks pregnant, and her fetus is beginning to develop three layers that will form the essential human functions. what will the ectoderm layer become over the course of ava's pregnancy? 1. heart, circulatory system, bones, muscles, and reproductive system 2. skin, nervous systems, connective tissue, and eyes 3. lungs, intestines, and bladder 4. hair, fingernails, and eyebrows

Effective community programs the individual, the community, organizations, and the government. select the sentence that shows a benefit to organizations. ryan and farah were discussing voluntary work. ryan was very keen to work on health-related issues. he knew that many districts had effective community programs. farah recently read a report about a local community program that reduce the rate of heart diseases by 30 percent. this reduced healthcare costs. local companies also saw productivity increases.