Breathing in air pollutants can irritate your airways. It may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain. Overtime, exposure to air pollution puts you at risk for lung cancer, heart attack/strokes, etc. Some people are more at risks from others though
Not 100% sure but i think its 2.one or more stocks of fish that can be treated as a unit. to me thats the only one that makes sense.
Explanation:
the answer is a they can move to the right
Answer:1) Water carries the nutrients to the cells of our body.
2) Water helps in the excretion of toxins and wastes.
3) Water regulates the body temperature.
Explanation:
Answer:
Option). 4-5 days.
Explanation:
Morula is a 4-5 days stage of early embryonic development. It represents a solid ball, having 16 cells, known as blastomeres. In human embryo, differentiation begins with morula stage, along with cleavage to form trophoblast (an outer layers of cell) and inner cell mass.
During development, trophoblast forms embryonic part of placenta and inner cell mass form respective structures of embryo.
Thus, the correct answer is option).4-5 days.
