Helium could hold 2 neutrons in its nucleus.
1.all living things are made up of cells
2.Cells are the smallest units of life
3.all cells come from preexisting cell though the process of cell division
The discovery of DNA has allowed us to trace ancestors and find out how early humans lived, what they looked like, and who they were.
Answer:
Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.
Explanation:
Answer:
Gregor mendel throught his work on pea plants discovered the fundimental laws of inheritance he deduced that genes come in pairs and are inherited as distinct units
example in picture hope it helps