Aforce that acts on an object but does not touch it is a

What claim did thorne make? what evidence supported his claim?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

The image shows a group of fish. the type of social behavior shown in the image is called