Placental. it provide oxygen and nutrients to fetus. whilst removing carbon dioxide and other waste products
Answer:
Mary Mallon (September 23, 1869 – November 11, 1938), also known as Typhoid Mary, was an Irish-born cook believed to have infected 53 people with typhoid fever, three of whom died, and the first person in the United States identified as an asymptomatic carrier of the disease pathogen, Salmonella typhi.
I think it is carbohydrates but I'm not sure
1 independent variable should be tested
More likely <span>by 16, boys are ______ to develop a behavior disorder than girls</span>
