Will mark !
insect fossils are not very common because:

their bodies are easily destroyed
there were not many insects in the past
insects had hard shells for protection

Ineed ! what is the best way to combat test anxiety? a. prepare thoroughly for the test c. picture yourself getting an a b. take deep breaths during the test d. none of these

According to subpart d, research with children may be eligible for exemption when: the children will be asked to complete a surveythe research involves the use of educational teststhe children will be interviewed by the researcher.the research with children will involve participant observation with researcher interaction.

When zhang qin went to explore west, he brought back stories of