Which are evidence of seafloor spreading? check all that apply.
a. molten material
b. magnetic stripes
c. continent material
d. drilled core samples
e. ocean water samples

Asupporter of slavery would respond to john brown's actions at harper's ferry with

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.

The following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?