Answer:
A) Preoperational stage is the correct answer
Explanation:
Preoperational stage: It is a second of a cognitive development that starts at the age of around two.which children begin to talk and it last at the age of approximately seven.
The features of the preoperational stage are:
- children develop imagination.
- They develop a memory that helps them to know the difference in the past and future.
Answer:
Environmental sanitation
Environmental sanitation encompasses the control of environmental factors that are connected to disease transmission. Subsets of this category are solid waste management, water and wastewater treatment, industrial waste treatment and noise pollution control.
Water
Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients
Air
Walk, bike, carpool, or take public transit.
Reduce heating needs by making your house more energy efficient. Say no to wood fire burning.Use hand-powered or battery-operated garden tools. Know before you go. Check your tire pressure. Reduce, reuse, and recycle!Be idle-free.
True, we can cure things that we couldn't before. Even things like the common cold used to be deadly.
