The answer is letter A.
<span>
Both echoic and iconic memories
are part of the sensory memory. Sensory memory refers to an individual’s
ability to retain impression of sensory information for a brief time after the
original stimulus has ceased. It is an automatic response that is considered to
be outside of cognitive control. Iconic and Echoic memories are types of
sensory memories. Iconic memories are inputs to the visual systems that last
for a duration of 100 milliseconds; while echoic memories are inputs to the
auditory system that can only hold information for about 3-4 seconds.</span>
Answer:
Answer below.
Explanation:
To know if a person is overweight we calculate their Body Mass Index which is their weight in kilogrammes divided by the square of their height in meters.
Being overweight is a precursor to obesity. Living a sedentary lifestyle while being overweight is bad for your health. It increases the levels of bad fat in the body and this can lead to insulin resistance by the body cells causing sugar to build up in the blood and ultimately leading to diabetes disease.
Low level of physical activity while overweight is also bad for your joints as it puts too much weight on them and might cause arthritis.
Increased levels of unhealthy fats in the body can cause them to block the small vessels circulating blood and this can lead to stroke and hypertension.
To prevent these complications, people should make efforts to control their weight by applying various lifestyle changes. Such changes as regular exercises, brisk walking , using the stairs, cutting down on high calorie foods and eating healthy helps bring weight to normal physiological levels.
They are caused by sexual contacts
and for AIDS specifically it can also be caused by mixing of blood, by contacting the blood of an infected person, or by mother's blood transfered to feotus
it can also be transmitted by sharing of syringes or needle s