Which of the following ranching practices contributes to soil erosion?
a.
overgrazing of livestock
b.
grazing more than one type of animal on the land
c.
grazing the same type of animal on the land for many years
d.
allowing fields to remain empty and unused.

Dis the answer and i know because i took the quiz

The answer your looking for is a food chain grid. it describes how nature can support itself and survival of the fittest comes into play..

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.