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
Answer:
human beings are complex organism because
humans are made up of billion cells and a lot of system and organ.like blood circulatory system,digestion system and so all
Advantages of ploughing the soil are: - Tilling of soil helps in loosening and turning off the soil, the nutrient-rich soil is distributed evenly and also it improves aeration. ... - Improvement in the microbiome of the soil. - Roots can easily penetrate the soil and provide a stronger foothold for the plant.
Lilies are monocots.
Corn is also a monocot, but the two are VERY distant related.
Roses are dicots, even more unrelated.