Which might be a cause for the increase in songbirds at the feeders? the time of day that the birds were counted at the feeders the addition of dried apples and raisins to the formula the temperature changes each year the increased number of bird feeders

The correct answer for this question would be the second option. The cause for the increase on songbirds at the freeders is the addition of dried apples and raisins to the formula. This is based on the the passage about bird food and bird watching which is noted by Dr. Elsa Birde. Hope this answer helps.

Yes he thought they should be left to chance why, because he thought that was the best thing to do