1. Answer: to answer questions about the natural world
The aim of scientific method is to answer a question that the scientist have. To answer the question, the scientist need to design a research or observation. If the research is flawed, the result might not match with the scientist aim and the conclusion will be wrong. Scientific method can be used to help design the research so it will have less flaw
2. Answer: fertilizer
The student wants to determine the effect of a certain brand of liquid fertilizer on the growth of ivy. The fertilizer are hoped to influence the growth of the ivy. Independent variable is the variable that hoped to influence the dependent variable. So, the independent variable would be fertilizer and the dependent variable would be the growth.
A: The stomach is actually J shaped and resembled early wine pouches.
Answer:
Make sure all tested rats are the same age.
Offer the same type of food to the rats in each trial.
Explanation:
<em>In order to be able to isolate the effects of one particular variable during a research, all the subjects in each trial must be subjected to the same conditions except the variable whose effects is being isolated.</em>
Hence, Kate must offer the same type of food to the rats in each trial as well as make sure that all tested rats are the same age.
Answer:
The subscapular fossa is located on the anterior surface of the scapula.
Explanation:
After the zygote begins to divide, a fluid-filled ball of cells, called blastocyst attaches to the uterine wall.
<span>It is the stage of implantation during the prenatal development. The blastocyst consists of an inner cell mass and the outer layer -the trophoblast. Trophoblast surrounds the inner cell mass and a fluid-filled cavity - blastocoele. Inner cell mass will form embryo and trophoblast gives rise to the placenta.</span>