Maybe immune system and respiratory system
Answer:
protiens
Explanation:
in protiens in cells have nightogen
Answer:
the process used by green plants to collect natural sunlight in order to produce/create food
Explanation:
Answer:
Population growth is the increase in the number of people in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.9 billion in 2020. ... A popular estimate of sustainable population is 8 billion people.
Explanation: