Answer:
Parasites are organisms that infect the body of another living being and live off their hosts to survive. While some parasites create no symptoms in their hosts, others can cause severe illness. Parasitic infections occur when parasites grow, reproduce, or invade organ systems that make their hosts ill.
Right before it starts to decline (fall)
Evolution by natural selection is one of the best substantiated theories in the history of science, supported by evidence from a wide variety of scientific disciplines
The option that describes a benefit of sustainable agriculture is ; ( D ) soil erosion is reduced
<h3>What is soil erosion </h3>
Soil erosion is the gradual removal of soil particles which leads to the washing away of soil nutrients. soil erosion is caused by the negative impact of floods ( water and wind ).
The reduction in soil erosion is a benefit of sustainable agriculture. While The depletion of aquifers and the overgrazing of farmland are not benefits of sustainable agriculture.
Hence we can conclude that a benefit of sustainable agriculture is soil erosion is reduced.
Learn more about sustainable agriculture : brainly.com/question/20235874
Babies typically do not show social smiles
until four to six weeks of age.
Any smiling before that time, it may not be deliberate. It's usually only a sign that the baby is
comfortable, either they just urinated or they just ate.
At
first, the baby smiles at every one but after
several months, most babies save their smiles for people they know.