What type of stimulus is an allergen such as pollen? response to a stimulus
external stimulus
inborn stimulus
internal stimulus

external

Explanation:

External stimulus is the type of stimulus an allergen, such as pollen, is classified. This is because this allergen is obtained outside the body. So it must be external.

Who is cooler? Shrek or Donkey.

Explanation:

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there is 2 main differences, basically which are the users and the market. the other difference is the kind of content

people who use tik tok are mainly people from east asia, kind of like the app douyin. musically, on the other hand, are used by people from america or european countries.

while tik tok videos show things like daily life videos, comedy, or just funny videos, musically are like people mimicking songs with their own actions, 'imitate' singers and video clips.

hope this !