Which of the following students is demonstrating safe practices while performing a field investigation? 1. jason picks an unknown wild berry and eats it. ii. kayla drinks unpurified water from a stream. iii. michael wanders off alone to search for a plant. iv. naomi observes a mockingbird in a tree but does not touch it. a. i, ii, iii, and iv • b. i and ii only c. ii, iii, and iv only d. iv only