Which staement describes an atomic nucleus A an atomic nucleus is negitivley charged
B an atomic necleus has no electrical charge
C an atomic nucleus consists of mostly empty space
D an atomic nucleus contains most of the atoms mass

The location of the water table is subject to change. select the best answer from the choices provided ot of

How does the nervous system affect the excretory system?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.