4. (1) What is the weight of a 76 kg astronaut (a) on Earth, () on the Moon (8 = 1.7 m/s"). (c) on Mars (8 = 3.7 m/s),
(d) in outer space traveling with constant velocity?

Texture and composition are different because they are not the same aspect. texture has to do with feel and so on, where as composition is the chemical makeup which you cant touch like you can texture.

Amicroscope, because these cells are so small that you would not be able to see them, or what they attack without it.

Each student aligns the edge of the object with the left edge of the ruler as shown above. all four students read the ruler with a measurement of 4.6 cm. which statement describes the data they collect? i believe the answer is: the data have poor precision and poor accuracy because of a systematic error.