Antibiotics can kill both the healthy and infected cells making the immune system more weak
Answer:
A theory
Explanation:
A theory is an idea used to account for a situation or justify a course of action.
C it will be c because earth has water
Answer:
Red blood cells transport oxygen around the body. They are specialised to carry oxygen because they: contain large quantities of a protein called haemoglobin , which can bind oxygen. don't have a nucleus, so there is more room for haemoglobin.
Explanation:
Answer:
Ponds:
Shallow & warm
A lot of plant and animal life
Many nutrients
Lakes:
Large, deep, cold
Little sunlight near bottom
Plants mainly along the shore
