This is the most abundantly used category of synthetic pesticides (ex: Round-up). They quickly degrade, usually in a few days & are less persistent in the environment than other synthetic pesticides

The principle of equality was

When is antibiotic prophylaxis NOT needed for meningitis contacts? 

Poverty is the greatest threat to food security?

Which is NOT true of plant nutrients?

Intensive farming practices, such as row cropping and continued monoculture, are responsible for soil erosion.

The target LDL for diabetic patients is: 

The process of mineral salts accumulating in the soil due to irrigation in a dry climate is known as desertification.

AIDS is having no effect on Africa’s population growth.

This nutritional deficiency is the most common dietary imbalance in the world, impacting around 2 billion mostly pregnant women & children under age 5? It is associated with anemia, increased risk of hemorrhage in child birth and affects child development.