Answer:
<em>Controlled variables</em>
Explanation:
In a controlled experiment, the control group and the experimental groups are the same except for a factor in the experimental groups called a. variable parameter. In a controlled experiment, the factors that are kept the same between groups are called. controlled parameters.
Answer:
you could calculate the speed of a snail or a cheetah by measuring a distance and measuring the time it takes them to get there. direction would be considered if you were finding velocity.
Explanation:
The best answer is)
<span>It enables photosynthesis by facilitating primary growth of the plant.
The apical meristems are similar to stem cells in humans, and continue dividing indefinitely over the life of the plant. The cells are unspecialized, and only become specialized after being created. Apical meristems are the primary meristems, and constitute the primary growth of the plant, growing into organs such as leafs, flowers, and roots. </span>
