When 2 species bennift like fish cleaning a whale by eating off his skin
Hoarding, it may seem like a complicated question but think it through.... which one of these things doesn't belong... also compare the definition of hoarding to compulsive shopping and you should see similarities.
Plus compulsive shopping patients have tendencies to turn to hoarding.
The correct answer is A. 20.2 s
Explanation:
The table shows there were three trials to measure how much time a toy car needs to move 1 meter on different surfaces. Now, to find the average time on a surface simply add the results of the three trials and divide this by number 3 (number of trials). The process to know the average time on dirt is shown below:
20 + 19.2 + 21.5 = 60.7 - Results of each of the trials
60.7 ÷ 3 = 20.2 s - Divide the total by the number of trials
This means the average time for the toy to move on dirt was 20.2s
Answer:
the cell was dicovered in 1665