1 Down: Aorta
2 Down: Blood
3 Across: Circulatory
3 Down: Capillaries
4 Down: Oxygen
5 Across: Systemic
6 Across: Ventricles
6 Down: Valves
7 Across: Heart
8 Across: Veins
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The answer is C
because Lithium and sodium belong to the same column.
A. Decreasing amount of energy needed to start a reaction.
Answer:
producer: grass, primary: grasshopper, secondary: frog, tertiary: snake
Explanation:
