Sure what is it that u need help with
1 is false, waves can't propagate in a vacuum.
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Two ways in that presidents can control their approval with the public more directly are the use of mass media and social media to influence the public opinion of American citizens and the decisions he makes in favor of the American people that create direct benefits for them.
These methods affect their decision-making processes as head of the Executive branch in that sometimes the decisions made are only thought to improve their public image and popularity, not really resolving important issues in the country that need to be addressed seriously.
Many times, public relations and media advisors just think about how to favor the popularity of the US president, instead of inviting him to face the toughest issues that affect the citizens.
Answer:
b
Explanation:
the study says that children learn social behavior such as aggression through the process of observation learning
Answer:
Option: c. Francisco Vásquez de Coronado
Explanation:
Francisco Vásquez de Coronado, a Spanish explorer in 16th century, known for his expeditions in Southwest of America, discovered the Grand Canyon and Colorado River. He became the first European explorer to encounter herds of bison, also known as American buffalo in Llano. His route took him into new areas which were not explored by Europeans before.