Coal was created through the decomposition of ancient trees. Most of the coal was was formed 300 million years ago. At the time the earth was covered by swamps. When the ancient plants and trees died, their remains sank to the bottom of the those areas, making layers and layers of plant material and eventually forming a soggy, thick material called PEAT. Over time other materials covered the PEAT and due to pressure the PEAT turned to coal.
D. By 1963 we had 11,000........
Answer:
and I have to be careful to use the same
Answer:
door-in-the-face
Explanation:
A friend asks Nana to edit her 15-page term paper. Because of her own heavy workload, Nana tells her she's unable to do it. The friend then asks Nana to only read the first part, which is five pages long. Nana quickly agrees to help her. Later she realizes that her friend used a persuasion strategy called the "door-in-the-face technique.
Answer: b) Retrospective measures
Explanation:
Retrospective measures is the approach in which past information and study is used for collecting samples and starting research about same topic.This helps in easy conduction of research with less amount of time.
According to question, anxiety related information in competition of sport team can be known through retrospective measure as it will provide the past data of anxiety states occurring in sports competition.
Other options are incorrect because prospective measure, physiological approach and brain waves are not used for knowing information through past studies.Thus, the correct option is option(b)
