A variation can be rhythmic.Logical formLearned from36 sentences. A variation can be cross-sectional.Logical formLearned from36 sentences. An argument may undergo a variation.Logical formLearned from36 sentences. A variation can be linear.Logical formLearned from36 sentences. A cause may pertain-to a variation.Logical formLearned from36 sentences. Variations can be in growth.Logical formLearned from36 sentences. Variation may be observed.Logical formLearned from35 sentences. Levels can be constituted-of-or-filled-with genetic variation.Logical formLearned from35 sentences. Variations can be high.Logical formLearned from35 sentences. A multitude can be constituted-of-or-filled-with variations.Logical formLearned from35 sentences. A variation may occur.Logical formLearned from35 sentences. Genetic variation can be in populations.Logical formLearned from35 sentences. Variations may play a role.Logical formLearned from35 sentences. A variation can be clever.Logical formLearned from35 sentences. Variations may appear.Logical formLearned from35 sentences.