Please help for 20 points

The similarity is that all of the masculine nouns end in an -o. All of the feminine nouns end in a -a. This helps because it is easier to tell which nouns are masculine/feminine by looking at the last letter

ummmthings that are different in peru than in the united states:

1. granola bars: they are not made of granola. they are made of quinoa and other grains that remind me of the millet i feed my birds at home. they have the texture of styrofoam but are cheap and comparatively healthy.