Lavoisier would have taken mercury and heated it up to 350 degrees centigrade in air and then found that a new compound was formed a red or yellow mineral which would be mercury oxide so the experimental observation would be the change in color of the mercury and the formation of a mineral with different properties from pure mercury.
Synthesis of a protein destined to function in the nucleus occurs AT THE RIBOSOMES.
Proteins are synthesized in the ribosomes. Newly synthesized proteins that are meant for the nucleus usually possess a localization sequences which direct it to a protein on the nuclear membrane through which it will enter into the nucleus.<span />
Streams or rivers form when water that does not find an underground aquifer, drains off the land by either seeping through the soil or spilling over the surface into the river or stream bed.
Answer: B. coniferous forests.
Explanation:
Coniferous forests are the terrestrial biomes which receives an annually 300 to 900 millimeters precipitation. These forests exhibits trees which undergoes special adaptations in the scarcity of water. The forests exhibit coniferous trees which means instead of leaves they posses needles and instead of flowers they have cones. These adaptations helps in preventing the water loss through transpiration.
B. Salmon envolved before kangaroos