Answer:
d
Explanation: the genes carry what is needed to change, and the cells change due to what is happening in the genes
1. Break down of Food into Energy
Oxygen
2. Absorb X - Rays in Bones
Calcium
3. Cell Membrane Function
Sodium
4. All Organic Compounds
Carbon
Dams are not associated with economic advantages.
Dams DO associate with changes to waterway ecosystems, siltation behind the dam, and dam maintenance and breajs,
Heyo, first off the dependent variable is the variable you measure at the end of the experiment, so basically the outcome of the experiment.
Sara and Juan used the four different types of soils which was considered as the independent variable. The independent variable is the variable you change at the beginning of the experiment.
The dependent variable of the experiment which was measured last was seed germination, and plant growth.