Answer:
Economic life
Explanation:
Economic life is the term given to the period during which a structure is expected to remain useful in its original use.
Answer: The Europeans carried a hidden enemy to the Indians. (diseases)
Explanation: The Native people of America had no immune support for the diseases that the European explorers and well as the colonist brought to them. Diseases such as smallpox, influenza, measles, and chickenpox was very deadly to American Indians.
Answer: speed and direction
Explanation:
If something is in motion is always has speed. It also can change the direction.
i wish i knew but sadly i don't know Spanish that well
The correct answer to this open question is the following.
In one study of reading and math ability in third- and fifth-grade children, the researchers found that high-scoring children usually had three sources of cognitive stimulation. Media was not a source of cognitive stimulation.
Scientist highly recommend mental stimulation for children to develop the part in their brains that work on language and cognition. Children must have activities that improve alternating attention, that foments inhibition, and that improve their semantic memory.