Answer:
Option A
Explanation:
Complete question
Dr. Portillo is conducting a study in order to test a causal hypothesis. What type of study must she conduct?
a. an experiment
b. a case study
c. a survery
d. a naturalistic observation
Solution
Hypothesis testing is an statistical analysis that involves testing a sample data to assure the plausibility of the null hypothesis.
After a hypothesis is stated, the next step is to prepare an analysis plan. After the plan is set, experiment methodology must be framed and executed. Once the result of experiment is obtained, it must be validated and hence cross checked with null hypothesis to either accept it or reject it.
Hence, option A is correct
The correct answer is letter B. A notochord is what separates chordates from other species. It is described as a c<span>artilaginous skeletal rod that supports that body of chordate animals. This particular body part is very much visible in different kinds of fish.</span>
interlocking calcium carbonate plates is the answer.
Monosomies is the point at which one chromosome does not have its homolog which is uncommon. Monosomies happen in cells From slip-ups in cell division amid mitosis and are related to compound presentation and cancers.Once preparation happens the gamete with 22 chromosomes shapes a zygote with 45 chromosomes. Most don't survive the just a single known to survive is monosomy 21 which resembles down disorder and causes many birth deformities and they don't survive long.
Answer:
correct answer is Jumping a rope
Explanation:
solution
As 11 year children have agility and swiftness movement which is very helpful in jumping a rope activity.
so that physical activity of Jumping a rope boy have advantage over the girls and this is because girls body are lighter in weight than the boys bodies and their bone density of girls also less as compare with the boys
so that correct answer is Jumping a rope
