Joe follows the procedure below to make a compass.

1. Move a magnet from the top of a needle to its point fifty times.
2. Lay the needle on a cork that is floating in a bowl of water.
3. Observe the direction that the needle points.

What is the purpose of step 1?

to give the needle an electric charge
to make the needle sharper
to magnetize the needle
to flatten the side of the needle

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.