Sam is in Piaget's preoperational stage of cognitive development. In addition, the preoperational stage is the second stage in Piaget's theory of cognitive development in which this stage starts around age 2 as children start to talk and last until approximately age 7. Throughout this stage, the children begin to take part in a symbolic play and learn to use symbols.
Answer:
Adverse impact occur on food web.
Explanation:
There is adverse impact of the change in resources on food web of an ecosystem because food web depends on resources of the environment for their growth and survival. If the producers produce less amount of vegetation due to unfavourable environmental conditions, it greatly decrease the population of herbivores because food is not available in sufficient amount that decreases its population as well as population of secondary and tertiary consumers.
Answer:
e.All of these are true.
Explanation:
Bechel is an engineering company that operates in the field of construction and civil and architectural project management. It is the largest US construction contractor and is the 11th most successful privately owned American company. About Bechel, we can say that its competitive advantage is project management, it was the Hoover Dam construction contractor while helping to rebuild Iraq. Bechtel teams have had to travel under armed escort. Bechtel's procurement program is global in nature.
An individual fact, item, or feature
