Two, most have to have two but if it has more then it has multiple
Answer:
Extensive properties, such as mass and volume, depend on the amount of matter being measured. ... Physical properties can be measured without changing a substance's chemical identity. Chemical properties can be measured only by changing a substance's chemical identity.
Answer:
1 so that all parts of the plants and animals Get Enough nutrients and oxygen
2 the pigment called haemoglobin makes it red
3 waste products such as urea will cause great harm to the body is not excreted
4 the heart pumps blood the blood contains nutrients and oxygen facial transported to other organs so that the cells can operate
5 transpiration is the loss of water by plants. it helps with cooling down the plant after photosynthesis. Just the Way We sweat
6the stomata opens and closes to allow water to pass through it therefore transpiration occurs
Of all these options, the moon is the smallest entity.
Answer:
a theory in biology that includes one or both of the statements that the cell is the fundamental structural and functional unit of living matter