A. Identify the properties as either a physical or chemical property. (first 3 are chemical, last is physical)
Grasses can grow where they could not earlier because the soil conditions, water volume, or rate of sunlight have evolved.
Each species of plant requires specific conditions to thrive. These conditions include:
- Nutrients from the soil.
- Sunlight
- Specific amount of water.
This implies that if the conditions for a specific species are not provided in terms of sunlight, radiation, and water, the plant will not grow in that specific zone. In the same way, if the conditions of a zone change and they are not suitable for a plant species the plant will grow even if this was not possible before.
This key idea is the reason why some plants including grasses can now grow in zones where they did not exist before. Some of the factors that have contributed to this are:
- Fertilization: This provides soils with necessary nutrients.
- Climate change: This has affected climate patterns, and therefore it can increase or decrease radiation.
- Irrigation: This increases the amount of water available for plants.
Learn more about grass in: brainly.com/question/3671945
Explanation:
Julian should use the ordinary wooden ramp and wooden block as the control . A control group is usually not priority of the experiment. It is used to understand an experiment better.
- The control in this experiment can be just the ordinary wooden ramp and the blocks.
- He should time the rate at which the blocks slides down the ramp.
- This will be a perfect control in the experiment and it can give information about how the blocks will fare ordinarily without any lubricant.
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<span>The control is what you have to compare the rest of the experiment to.</span>
