The hypothesis is an educated guess, so it cannot be used as a firm statement. In an experiment, the hypothesis is just a guideline that is tested & may or may not be true based on the results.
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The brain is the nucleus it controls everything such as the nucleus controls everything in a plant cell and animal cell
The answer is E. Excessive blood homocysteine levels is known as hyperhomocysteinemia and increases risk of cardiovascular disease.
Following gastrulation, the next major development in the embryo is neurulation, which occurs during weeks three and four after fertilization. This is a process in which the embryo develops structures that will eventually become the nervous system
8. A. Its size
None of the other options would change as a result of just cutting a cork into smaller pieces
9. A. The luggage will be lighter to carry
The weight of water can add up very quickly so when you remove almost 90% of water from a substance, you can substantially decrease the weight
10. A. behind him
The sun is shining on his back so his shadow is in front of him, but if he were to turn around his shadow would still be in the same place in relation to his body
