Answer:The Null hypothesis state that the mean hemoglobin level for all the children in Jordan is 12g/dl.
While the Alternative Hypothesis state that the mean hemoglobin level for all the children in Jordan is less than 12g/dl
Explanation:
The Null hypothesis H0: This is the hypothesis that state that there is no statistical difference between the two variables in the hypothesis. It is the hypothesis that the researcher is work to nullify.
The Alternative hypothesis H1: This is the hypothesis that states there is a statistically difference between two variables.
The *heart* is the main organ of the circulatory system.
The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
What is Mutualism ? Mutualism or symbiosis mean when two or more animal benefit to each other.like america red tail eagle and eagle, and the zebra and Oxpeckers eat ticks and other parasites that live on their skin of the zebra and the zebra will help the Oxpeckers by walking long place.
What is predation? predation or parasitic mean when animal who is prey eat not prey.or predation is when a animal hunt the other animal for food (prey).example like the lion eat the deer.
What is Competition? Competition or commensalism is when two animal fight for the same food like chipmunks vs squirrel, because the chipmunks like to eat nut and the squirrel eat nut they fight for the same resource.
They won’t really do anything except slowly die, it is a possibility where they can make it through the full cycle but it’s almost impossible.
It is asking for one trait or characteristic that can be seen visibly and environmental traits are characteristics caused by your geographic location for example African people have more melanin in their skin because they live closer to the equator and it protects them from getting sun burnt.