Which of the following soil types is richest in organic material?
a. yellow soil
b. dark-colored soil
c. red soil
d. gray or bluish soil

For what reason might an inmate be granted a furlough

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.

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .