Spiders only make one type of silk. True or false?

false All spiders can produce silk, but not all spider silk is the same. Spiders can make as many as seven different types of silk, although most spiders are capable of making four or five different kinds.

Explanation:

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the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

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