Pesticides and fertilizers can harm public health and the environment. Many of pesticides contain toxic chemicals that can cause negative health effects such as neurological and cancer and reproductive disorders. Also pesticides can migrate into lakes and streams as they are swept away when it rains. On the other hand fertilizers do cause ground water contamination e.g Nitrogen fertilizers break down into nitrates and travel easily through the soil because of their solubility. this makes them stay in ground water for decades the addition of more nitrogen over the years has accumulative effect.
Answer:
True
Explanation:
Uterine cycle is part of the menstrual cycle in which changes occur in the reproductve female system in order to prepare female on possible pregnacy. Uterine cycle isdivided into three phases:
- Menstrual phase-characterized by the process of menstruation
- Proliferative phase-estogen causes the production of new endomethrium layer (thickening of the endomethrium)
- Secretory phase-characterized by the production of progesteron which prepares endomethrium for the implementation.
Answer:
The answer is the third bubble
Explanation:
It is because the second group does does have bones
Small populations
In small population sizes, inbreeding, or mating between individuals with similar genetic makeup, is more likely to occur, thus perpetuating more common alleles to the point of fixation, thus decreasing genetic diversity.
