3. Identify the source of alpha particle in Rutherford scattering experiment? a. Hydrogen Nucleus b. Argon Nucleus c. Helium Nucleus d. None of these

4. is not a green house gas.

a. Methane b. Carbon-dioxide c. Helium Nucleus d. None of these

i won't lie i don't know so go online and ask google thats what i do

producers within ecosystems are essential as they are at the base of the food chain. plants are examples of producers. they use the process of photosynthesis to capture light energy and use it to convert simple inorganic substances (carbon dioxide and water) into organic substances (glucose).

the ems is the abbreviation for the emergency medical services. it is a service provided by a group of medical professionals specialised doctors and other healthcare staff.

any one can call 911 in case of any medical emergency and a group of health care professional will come and give the treatment required. every day the ems staff receive many phone call, which are related to different types of medical emergencies, out of which 25-28% are exclusively related to the respiratory issues.

so, the correct answer is 25-28%.