Gregor Mendel experimented with patterns of inheritance in the 1800s. His work is the foundation for much of what we know about inheritance today. Which of these would be evidence that would MOST strengthen the theories developed by Mendel?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains