Voice volume is the right answer i think
By the 4th month is when the baby is able to suck its thumb, yawn, stretch, and make faces.
By the 4th month, or the second trimester of a pregnancy, is when unborns call yawn, stretch, and do all of the listed things above. This is usually the month where you can also identify if the unborn is a male or female, since by month four, they develop their genitals and also organs. <span />
Answer:
Random assignment.
Explanation:
Random assignment (also known as random allocation, or randomization), in psychology experiments, is randomly selecting participants or units by the use of chance procedures so that each participant or unit has the same chance (equal likelihood) of being assigned to any particular control or treatment group.
Answer:
Environmental education provides the following:
It enhance the thought of peoples' experiences.
It enlighten people to understand their environment.
It provides room for better living.
It serves as an engine room in creating awareness.
It provide aesthetic beauty.
Technology creates more sources of information