A limited number of the many known elements comprise the largest portion of solid Earth. Elements
Group
A
B
Silicon, Hydrogen, Aluminum, Iron
Oxygen, Selenium, Iron, Potassium
Oxygen, Silicon, Aluminum, Iron
Hydrogen, Oxygen, Nitrogen, Carbon
С
D
Which group of elements above comprises the largest portion of solid Earth?
Group A
Group B
O Group
Group D

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as

List two new traits (structural or behavioral) that each new species of rat might demonstrate as it adapts to the conditions on two of the four islands. choose only two islands that are described in the lesson. record the island latter and the major habitat feature of the island. then list two new traits each rat subspecies might demonstrate in order to survive the habitat on that island. note: new traits should be unique to that island and be in response to that island’s habitat feature. i cannot remember islands that were names in the lesson so only answer if you have done the lesson (5.13 life science 7b) choose 2 of the islands and describe a structural and a behavioral trait for a rat on each island so 4 total answers, 2 different structurals and 2 different behaviorals, one for each rat for each island

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.