Answer:
pollution is the introduction of harmfull material in the invironment called pollution
Answer:
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system.
Answer:
cytoplasm
Explanation:
I wen through this in 6th grade And It may not be 100% correct but I tried my best to remember.
Answer:
Antigens are secreted by the endocrine system
Explanation:
The main job of the innate immune system is to fight harmful substances and germs that enter the body, for instance through the skin or digestive system. The adaptive (specific) immune system makes antibodies and uses them to specifically fight certain germs that the body has previously come into contact with
Answer:
the answer would be )C because they are fighting for the food and protecting their home
Explanation: because they are fighting for the food and protecting their home. hope this helps