Answer is B.crops used as food
Answer:
Paraffin oil is used for determination of boiling point and melting point for the following reasons: It has a very high boiling point and so it can be used to maintain high temperatures in the boiling and melting point apparatus without loss of the substance.
Answer:
As the gas is heated, the particles will begin to move faster. ... Because the gas remains at a constant pressure and volume, the particles cannot spread out so they simply move around the container even faster.
Answer:
178.55
Explanation:
176
×
0.05+
177
×
0.19
+
178
×
0.27
+
179
×
0.14
+
180
×
0.35
=
178.55
