<u>Answer:</u>
<em>The true statement concerning complex multi-cellular organism is Bulk transport systems move substances faster than simple diffusion.</em>
<u>Explanation:</u>
<em>Bulk transport</em> is the mechanism that is used by the cells to transport the large quantity of small and tiny molecules and particles. Bulk transport works on the <em>mechanism of pressure gradient and single diffusion</em> is based on the concentration gradient.
The<em> transportation on single diffusion</em> is due to random motion of molecules but in bulk transport the solute and water is moved <em>together and in a faster pace. </em>
Answer: Volunteer bias
Explanation:
In the given situation the chances of participation of males in the study of sexuality is likely to more than the females or may be male volunteer may be available more readily. As the females are more inexpressive or may feel shy when asked for their own opinion related to topic of sexuality.
But males may be more comfortable while discussing topic related to sexuality . Thus this will create volunteer bias in the subjects of study.
D
Because in the nervous system messages travel faster
Nutrients Pollution
Surface Water Pollution
Oxygen Pollution
Your answer should be A. by observing the formation of sedimentary rocks.
