Answer:
B. If the atom gains 2 electrons.
Explanation:
Answer:
The slow rate at which diffusion occurs over large distances.
Explanation:
Circulatory system may be defined as one of the most important system of the body that contains arteries and veins. Two main types of circulatory system are open circulatory system and closed circulatory system.
The blood flow all over the body to each cell with the help of the circulatory system. Arteries carry oxygenated blood and veins carry deoxygenated blood in the body. The circulatory system increases the rate of blood flow as diffusion do not allow the transport at long distances.
Thus, the correct answer is option (c).
An organized way to collect and record scientific observation using a Hypothesis
Explanation:
Hypothesis is known as initial building block in scientist method. Hypothesis is written in the form of statement. It is based on theories and knowledge. It is proposed between two variables and is mainly classified as independent and dependent hypothesis.
There are six forms of hypothesis. They are simple, complex, Empirical, Null. Altered, Logical and statistical. Relation between two variable predictions is simple hypothesis. On the other side complex hypothesis is the relationship between two or more variables.
<span>asexual reproduction. </span>
<em>The lipid bilayer consist of two band of fat cells coordinated in two pieces.</em>