At the beginning of high school, lucas was given a personality test that generated a personality profile using 4 trait dichotomies that led to 16 possible combinations. the results were supposed to him decide which career path he should pursue. now that he is in college, he retakes the same test, but receives different results, which makes him question the reliability of this test. lucas was most likely given the:

It can be said that the results given by the test at the beginning of Lucas's secondary school were correct.

Explanation:

The career tests use the qualities and strengths, as well as the weaknesses, to determine the professions that best fit the profile of the respondent. These tests are designed to suggest to the participant, according to their personality, in which professional areas they could perform better.

At the beginning of his high school, Lucas surely possessed certain qualities that focused him on certain types of careers. However, these strengths or qualities may have changed in the course of his high school and even in college, orienting him to another professional area. This process does not detract  the test he took; on the contrary, it reflects the transformation of Lucas during his process of growth and normal formation of all young people during this stage of life. That is why it is not a reason to question the reliability of the test the fact that it has had two different results in such a long period of time.

Water erosion is a continous process and it goes on in the Grand Canyon. The river has been shaping and influencing the canyon for millions of years. The river´s flow slowly makes the canyon deeper and wider. Due to the fact that the soil in the Grand Canyon is baked by the sun it gets very hard and can´t absorb water when the rains come. When it rains the water tends to come down in torrents. Plants growing in the Grand Canyon usually have very shallow root systems so that they can grab as much water as possible on those few occasions. Unfortunately the system of vegetal roots does  nothing to deter erosion by holding the soil in place. So, water runs down to the Colorado River, and there’s nothing holding the soil and rock in place.

Explanation: