answer is B. And chloroplast is only found is plant cells.
When pressure is added to a gas the molecules bounce around really fast and push against the walls of its container. That's why when you squeeze an empty water bottle you can crush it all the way. The smaller the container the more the molecules hit the walls faster and that's what creates pressure. While moving around the molecules get hot as they speed up. Heat = Pressure.
Answer: Magnesium and Bromine/MgBr2 = Ionic compounds
Explanation: When atoms form together they can form between Ionic Compounds and molecules; this could depend on if they're joined by Covalent bonds as well because when atoms form with Covalent bonds, it forms Molecules.
Answer:
Please please please mark me brainlest!
Explanation:
IV: salt solution
DV: Hight of plants
Control: the fourth plant
Independent Variable: what it's watered with (regular water or salt water as well as the concentration of salt water)
Dependent Variable: Height
Control: the type of plant (sunflower) Hope this helps you! Ask me anything if you have any quistions!
We are given –
- Final velocity of car is, v= 0
- Initial velocity of car is, u= 100 km/hr
- Time taken, t is = 3 minutes or 180 sec
Here–
Now –
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