Answer:
Two right triangles that have a congruent hypotenuse and a corresponding congruent leg are congruent. The hypotenuse of a right triangle is the longest side. The other two sides are legs.
Answer:
The law of conservation of mass
Explanation:
The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
Answer:
84
Explanation:
42 X 2 since it is a pair
Blood enters the pulmonary vein with close to 100% of the blinding site for oxygen saturated.
I'd say
B. Contour Farming
since it's planting on a flat surface and creating w/ridges to help prevent water from taking the crops away