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Q: Do you sand a old deck before staining?
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Why is it necessary to use a young culture 24-hr old culture in gram staining?

less than 24 hours old. Older cultures tend to lose the ability to retain stains.


Why is time an important factor in simple staining?

In Gram staining, some bacterial species will become Gram variable meaning they produce a false reaction for the following reasons: decolrized too long, too young/old of culture, stained too long. Also, time is important simply because you don't want to over or under stain. You won't be able to see your specimen as well.


How old do skunks have to be before spray?

Skunks can be 8 days old before they can spray. Its their only defence against predators


How old before a sausage tree flowers?

3months


What kind of plants can grow on sandy beaches?

- Name some plants and grasses which help protect sand dunes from Erosion? Plants on sand dunes such are very important on beaches. Plants such as the -Hairy Spinifex - Coast dune thistle -Native pigface And the coast fan flower All these plants help hold together sand dunes. They bind tightly together so that the sand is unable to move during times of erosion. The Hairy Spinifex is 1 of the most important plants. It can grow in bare sand and it most importantly has the strength to hold down sand with its root system. The coast fan flower is just like it. This shrubby plant can cover large areas of sand dunes. Native pigface is very salt tolerant and is able to withstand salt spray, strong winds and sand blast. If covered with sand the plant can survive, grow upwards and produce a new plant mat over the old one Lots of other plants help like these kinds of plants. They all have there own unique way of protecting our beaches.

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