Answer:
C. interact frequently with the audience.
Explanation:
Presentation can be defined as an act of talking or speaking formally to an audience in order to explain an idea, piece of work, project, and product with the aid of multimedia resources or samples.
Students who want to create an effective presentation should interact frequently with the audience.
This ultimately implies that, to create an effective presentation, speakers are saddled with the responsibility of interacting more often with the audience by taking questions, making a joke, getting them to repeat informations loud at intervals etc.
Additionally, students are advised to be passionate and show enthusiasm during their presentation because it would enhance their ability to speak confidently and as such leading to an engaging presentation.
Answer:

Explanation:
The speed of the ball in meters per second is

Where t denotes the number of seconds since the ball has been thrown and
is the initial speed of the ball. Then:

If the ball travels 25 meters during the first 2 seconds after it is thrown, what was the initial speed of the ball
Also, for constant acceleration motion, the average velocity is equal to the sum of final and initial velocities divided by 2 and to the distance divided by the time:

Where you know:
Substituting (the units are ommited in the equationn, but added at end of the answer):


Thus, you have a system of equations:


Substituting the second into the first:


Answer:
Scientists divide Earth's atmosphere into four main layers :
- troposphere
- the stratosphere
- the mesosphere
- the thermosphere
Explanation:
In English
En Ingles
By definition artificial intelligence is intelligence demonstrated by machines, unlike the natural intelligence displayed by humans animals, which involves consciousness and emotionality.
In Spanish
En Espanol
Por definición, la inteligencia artificial es la inteligencia demostrada por las máquinas, a diferencia de la inteligencia natural mostrada por los animales humanos, que involucra conciencia y emocionalidad.
The 2010 Census enumerated 308.7 million people in the United States, a 9.7 percent increase from 281.4 million in Census 2000. Of the total population in 2010, 300.8 million lived in 116.7 million households for an average of 2.58 people per household.