How is an ionic bond formed?
an electron is transferred from one atom to another.
two atoms share the electrons in their outermost shells.
both atoms in the bond lose an electron.
both atoms in the bond gain an electron.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

The tubes transporting minerals and water upward are called ?