Wait until the the avocado grows bigger(if you're planting it), then you feel if the shell is hard. If the shell is hard, then you already know that the inside is going to be soft. Your welcome if you didn't know that.
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They can be, it is hard for them to digest nd the skin can make them sick.
On a window sill until they soften up then put them in the refrigerator.
To soften hard fondant, you can microwave it for a few seconds or knead it with a small amount of vegetable shortening.
How to soften a new hard leather sofa?
100% NO! Avacados are like poisions too hamsters.. and they may can die
pour water into it
To soften hard brown sugar, place a slice of bread or a damp paper towel in the container with the sugar and seal it overnight. The moisture will help soften the sugar.
You can soften hard water for plants by using methods such as adding vinegar or citric acid to the water, using a water softener, or collecting rainwater for watering your plants.
To soften hard and clumped brown sugar, place a damp paper towel or a slice of bread in the container with the sugar and seal it tightly. Let it sit for a few hours or overnight to absorb the moisture and soften the sugar.
NO
yes
Avacados.