The thing that contributes to the current epidemic of sexually transmitted infections is unprotected sex.
Explanation:
ECOSYSTEM:
BIOTIC AND ABIOTIC FACTORS
An ecosystem includes all living things (Biotic factors) and their non-living environments (Abiotic factors), in a given area, interacting with each other.
Write any three biotic and three abiotic factors in the given picture.
Answer:
Because fat tissue require lower energy for maintaining them than body muscles.
Explanation:
In the Question it can be seen that john is highly obese as his body mass index (BMI) indicates. So most of his body mass is composed of fats and fats require smaller energy for their maintenance.
Many researches on obesity indicates that people don't lose fat cells by carefully eating. Acording to Kirsty Spalding our body has same number of fat cell which it is programmed to and only the size of fat cells changes. So we can either shrink the fat cells or increase their size. So by cahnging diet plan we could not destroy them.
So, John is facing difficulty in losing weight while consuming the low-sugar diet because most of his body mass is composed of fats and fats require lower energy for their maintenance.
