Answer:
263.1 is exactly three half-life, so the remaining portion is (1/2 x 1/2 x 1/2) of the original sample. That's 1/8 which is 12.5%
Answer:
same question so imma give u a different answer its still gonna be idk
answer 4 I checked online it's correct
bacteria break down dead organisms which provide nutrients for the soil, therefore contributing to plant growth.
Answer:
best answer is D
Explanation:
if element has even number then protons and neutrons are same but if element has odd number then we should add 1 number in number of protons to know neutrons. but this rule is not work in 4 element that element are argon, nitrogen, hydrogen and one other