Which of the following lifestyle habits is not shown to reduce risk of cancer?
a. limit consumption of processed meats
b. consume at least 2.5 cups of non-starchy vegetables and fruits daily
c. engage in moderate activity at least 30 minutes per day
d. avoid foods that are primarily simple carbohydrates

D) Avoid foods that are primarily simple carbohydrates

Explanation:

 Simple carbohydrates are sometimes increases the risk for diseases so that is why we should avoid foods that is simple carbohydrate as it does not reduce the risk of cancer. As, simple carbohydrates are made up of one or more sugar molecule and raised the blood sugar, which is harmful for the heath. Carbohydrates intake are one of the aspect of the diet depending on the amount consumed which increases the risk of cancer, which is dangerous for our health.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint