A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
Answer:b
Explanation:I believe it’s b I looked it up on google
Some abiotic factors that can limit a population are space and weather these are called limiting factors (and how much water is provided)
Answer:
since the parasympathetic divison causes the heart rate to decrease and the sympathetic divison causes the heart rate to increase this is an example of antagonistic innervation
Explanation:
2. High birth rate, zero death rate, high immigration, zero emigration
This is because birth rate and immigration increase population size, and death rate and emigration decrease population size, so maximizing the former and minimizing the latter are ideal
