Melanin provides pigmentation to the skin and it also provides UV ray protection (which is its role in the epidermis).
Polymers are many moments strung together. They are linked together by dehydration reactions. (Remove water)
Purchase products made from recycled material
Recycle used Products
and
Walk instead of drive
Driving releases pollutants in the air and when we use gas and oil we are using lots of our natural resources and cutting them down day by day.
Answer:
todos deben tener los materiales por si a alguien se le olvida un material
tu se lo prestes
Explanation:
por que es en equipo
Dissolved O2 conc. in flask with algae will be higher since photosynthesis produces O2.
