Answer:
Refraction is the change in direction of waves that occurs when waves travel from one medium to another. Refraction is always accompanied by a wavelength and speed change. Diffraction is the bending of waves around obstacles and openings.
Answer: A. Carbon Dioxide
Explanation: This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2
Answer:
without the sun we probably be freezing that's why we need the son it keeps us warm and the sun gives use radiation energy which could help us power things.
Explanation:
Answer:
I'm gotta take a stab at it:
1. Health = E
2. Weight Management = G
3. Bacteria = F
4. Vaccination = H
5. Dengue = I
6. Allergens = B
7. Body Mass Index = J
8. Down Syndrome = A
9. Proper Sewage Disposal = C
10. Infectious = D
Hope it helps!
Answer: melanin
Explanation: Further, other cells contribute to the function of the epidermis. Melanocytes are cells that produce melanin, a compound involved in skin pigmentation produced in response to ultraviolet (UV) light exposure (6). Melanin can absorb energy from UV light to shield underlying tissues from damage.