• Which disinfectant kills the most bacteria
• How much bacteria is transfered to your hand when you touch a tap, door, etc.
• Who has more bacteria, males or females
Answer:
C. how natural processes can introduce harmful materials into the environment
Explanation:
The biogeochemical cycle of water, or the hydrological cycle describes the way that water (Hydrogen Dioxide or H 2 O) is circulated and recycled throughout Earth’s systems. All living organisms, without exception, need water to survive and grow, making it one of the most important substances on Earth.
hope that helps
Answer:
organ
Explanation:
An organ is a group of tissues that work together to carry out a common function?.