I'm pretty sure it was yellow fever.
Answer:
the answer is, D
Explanation:Switching off lights when not in use protects environmental quality.
Answer:
1-Mouth:the mechanical digestion takes place in mouth with the help of teeth. chewing is the machanical digestion of food in mouth.
2-Stomach: by the churning process. churning is the mixing of food in stomach by the movements of smooth muscles in stomach wall.
Explanation:
Answer:Photosynthesis is the process by which plants use the energy of sunlight to make sugar (glucose) from carbon dioxide and water. Respiration is the process by which animals use O2 to get energy from food. So plants take in CO2 from the air and produce O2, and animals take in O2 from the air and produce CO2.
Explanation:
Answer:
CROSSING OVER is the exchange of segemetics of dna or genetic matierial between the members of the pairs of cromezones
