Answer: P waves can only travel through any kind of material, S waves can only travel through solids, tha are stopped by gases.
Explanation:
<span>The process that places geologic events in proper time sequence is referred to as </span>relative dating
I believe B is the right answer.
Answer: 1. Once an altered gene is placed on an organism it can not be reversed.
2. New organism created by genetic engineering could
present ecological problems.
Explanation:
Looking at the fact that genetic engineering employ the viral vector that carries the functional gene inside the human body system, the repercussion are still unknown. They may even replace an important gene in the human body which could be dangerous to human.
Answer:
<em>In a scientific investigation the term quantitative data refers to numbers that are usually followed by a unit.</em>
Explanation:
A scientific investigation can be described as an investigation which is made through the scientific method of research. A scientific question is often tried to be answered through valid experiments by this method. The experiments performed can either be quantitative or qualitative. Quantitative data is the data which is taken through mathematical or statistical methods and has a well-defined unit in which the measurements or numbers are being taken.