Can you manipulate more than one variable? The short answer to whether scientists can use more than one manipulated variable in their experiments is “yes.” But just as important as the answer to this question is understanding why scientists would want to include two manipulated variables. How many control variables can you have? Similar to […]
What do you do if you hit black ice?
Why is chemical change not easily reversible?
Why is chemical change not easily reversible? chemical change never reversed because it produce new substance after reaction which is not reversible . if it is reversed , it can’t called chemical reaction , it called physical reaction. Is a chemical change reversible? In principle, all chemical reactions are reversible reactions . This means that […]
How do I choose a motor controller?
How do I choose a motor controller? Choosing a Motor Controller The first consideration is the motor’s nominal voltage. Once you have found a range of controllers that can power the motor with the appropriate voltage, the next consideration is the continuous current the controller will need to supply. The Control method is another important […]
What stories do some of the Romanesque metalwork pieces tell?
What stories do some of the Romanesque metalwork pieces tell? What stories do some of the Romanesque metalwork pieces tell? Religious leaders being baptized. What is the major difference between Gothic and Romanesque architecture? Gothic architecture was mainly intended to make the churches look like heaven. The Gothic architecture made the churches bright, colorful, and […]
What is an example of a isolated system?
What is an example of a isolated system? A thermos flask is the best example of an isolated system. A thermos flask is used to keep things either cold or hot. An isolated system does not exchange energy or matter with its surroundings. Is an isolated system? In physical science, an isolated system is either […]
What can cause an ECU to fail?
What can cause an ECU to fail? Common Reasons for Failure in Engine Control Modules Injector wiring harness. The third thing that can cause failure in the ECM is the Injector wiring harness or the sensor wiring harness. Grounding issues. Another issue that can cause failure in the ECM is poor grounding. Starters. Dead battery […]
What is the relationship between different trophic levels?
What is the relationship between different trophic levels? The trophic level of an organism is the number of steps it is from the start of the chain. A food web starts at trophic level 1 with primary producers such as plants, can move to herbivores at level 2, carnivores at level 3 or higher, and […]
What are 3 adaptations that allow plants to survive on land?
What are 3 adaptations that allow plants to survive on land? Plants have evolved several adaptations to life on land, including embryo retention, a cuticle, stomata, and vascular tissue. What challenges did plants have to overcome to live on land? The life on land presents significant challenges for plants, including the potential for desiccation, mutagenic […]
What are the types of digest?
What are the types of digest? Digestion is often broken down into two types: Mechanical digestion — food is physically broken into smaller parts. For instance, by chewing. Chemical digestion — food is broken down by acids and enzymes into its basic units. What are the six steps of the digestive system? The processes of […]