<span>Meditation decreases sympathetic nervous system activity. A myocaridial infraction is just another word for heart attack and the sympathetic nervous system can play a role in causing a heart attack. The sympathetic nervous system can increase your blood pressure, heart rate, both of which can cause a heart attack, so meditation can keep these things at a low level.</span>
Question 13) Electrons
Question 14) Ionic bonding
Question 15) The number of protons and neutrons
Question 16) Nuclear weapons can release much more energy than chemical reactions.
Question 17) An unstable ratio of protons and neutrons
Question 18) A homgenous solution
Question 19) An element
Question 20) Freezing
Question 21) The number of protons in an atom.
Question 22) have a full outer shell of electrons.
Question 23) Non-metals
Answer:
Part A: The process of sexual reproduction is important because by this process organisms with varied genetic characteristics can be formed. Crossing over and independent assortment allow individuals to be born which are not alike to another and their parents. As a result, genetic diversity is produced.
Part B:
The process 1 is meiosis. The process 3 is development by mitosis.
The reproductive organs form sperm and egg by the process of meiosis. During this process, the number of chromosomes is reduced so that the number of chromosomes of an individual can be maintained.
The zygote converts into an embryo in a process called germinal development. The zygote replicates by mitosis to form into an embryo.
Answer:
it is c as protons have a positive charge
Explanation:
protons =positive