Tina is a climate scientist. she wants to investigate weather patterns from further back than the last 150 years. what sources can tina use in her research?
tina can examine and to investigate weather patterns from further back than 150 years.

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters