Answer:
He was the first scientist to observe and describe bacteria and protozoa by looking at a drop of water from a pound under a microscope. He also was the one to build the first compound microscope.
Hope this helps :)
Answer:
I'm not to sure I'll ask one of my frens to help
This is in middle school?
Answer:
A piece of gold foil was hit with alpha particles, which have a positive charge. Most alpha particles went right through. This showed that the gold atoms were mostly empty space. Some particles had their paths bent at large angles. A few even bounced backward. The only way this would happen was if the atom had a small, heavy region of positive charge inside it.
c) positively charged and relatively small.
Plants produce food in green leaves with CO2, H20, and sunlight. This process is call photosynthesis. Those with no leaves use their steams or roots. Hope this helps. :)
