A triple beam balance it measures mass, which is the amount of matter in an object
Scientists who study the relationships among living organisms and their environment are called Ecologists.
It is located in the sympathetic nervous system which originates in the spinal cord. Hope this helps!
The trees in the wild, compared to the ones we grow, are meant for not being taken care of. Back in the dinosaur ages, the tress there did not need to be taken care of. These genes are passed down through each generation of plants. When a crop is planted by a human so many times, like corn, they become dependent and rely on a source instead of being able to deal with their surroundings