Answer:
options 2 The fetal nervous system becomes activated, and the cervix opening expands.
As per <span>Mendel studied seven pea plant </span>traits<span>, each with two contrasting characters. He crossed plants with each of the seven contrasting characters and studied their offspring. Each original pair of plants is the P (parental) generation.
True !</span>
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Answer:
Soil texture, Soil aeration
Explanation:
Soil characteristics helps in the identification and gives vital information about the present states of soil types before planting. This is necessary so the soil can undergo treatments and modifications such as addition of humus or fertilizers, and using pitchforks or aerators for optimal yield when crops are planted.
The three colors of cellophane serves as the light source for the set-up. The three colors would give different wavelengths of light to the sample in the jar. It is the independent variable in this experiment. Hope this answers the question.
