What model? can you screenshot it or send a link?
The correct answer is B) they operate at a higher efficiency. sorry hope the answers not to late :(
Darwin observed the beaks of the birds and how the different beaks helped the birds to eat different types of seeds.
This relates to natural selection because certain finches with say a smaller shorter beak would be able to eat only smaller seeds and fruits as to where a finch with a longer larger beak could eat larger bigger seeds and fruits.
Hope this helped! Have a great day!
Answer:
D. 1
Explanation:
Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.
Answer:
asthenosphere- strong,lower mantle made of dense rock.
inner core-made of solid,dense iron and nickel
lithosphere-Thin,outermost layer that is divided into
tectonic plates.
Mesosphete-layer of weak,soft rock in upper mantle that flows in convection current's.