Which tool would be likely to provide the most accurate measurement of time in a laboratory experiment involving sprinting times of students? a wall clock
an egg timer
a stopwatch
a calendar

Which of these statements are true about scientific theories and hypothesis

Dna is colied into chromosomes in a cell

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.