With the concept of zero, we could express math (and by extension, everything) with just one concept: of there being something. This was contrasted with there not being something.
This presence/absence of something is very easily implementable in mechanical terms, which contributed to the development of hardware. So: the concept of 0 made our calculations easily physically implementable.
Answer:
d. watching children play in a park and recording their behavior
Explanation:
Naturalistic observation is one of the methods used in research by the psychologists. The subjects in this experiment are observed in their natural environment. The behaviors are then analyzed and examined to draw certain conclusions out of them. Such researches help in getting a better conclusion and idea about the reaction ad behavior of the people.
Answer:
According to current research, one factor that could be contributing to Dianna's language learning difficulty is her lack of: <u>early exposure to words</u>.
Explanation:
It is known by the theories of children early development, that the exposure to language during the first years is essential for building language. If Dianna had a lack of exposure to words in the first five years this would be the cause of her diffculty in language learning.