<span>'Occasionally during pregnacy the placenta can seperate from the uterus. This causes a disruption in development and sometimes death of the fetus. Harm to the developing fetus might occur because the placenta'
The answer you're looking for is probably along the lines of 'transfers oxygen and nutrients to the fetal blood.
Hope this helped!</span>
Explanation:
it is comprised of hormones that regulate physiological function
Answer:
Water is a control
Explanation:
From the question, the independent variable is energy drink and the dependent variable is running 50 yard of ash.
An independent variable is a variable that can stand alone in an experiment.
Dependent variable is a variable that is beeping altered, tested and measured and it's dependent on the independent variable.
The running of 50 yard Yash depend on the energy drink which is independent.
Water is a control because it is not tested for dependent variable and it's minimize the effect of dependent variable. This is because the energy drink give energy to run 50 yard Yash and that is the dependent variable.
Answer:
Fossils show that traits change slowly over time
When water molecules are being made, two hydrogen atoms will make a hydrogen bond with one oxygen atom, making a water molecule.
