Answer: 1st is chloroplast 2nd is mitochondria 3rd is nucleus 4th is cell wall 5th is cytoplasm 6th is cell membrane 7th is vacuoles which is called central vacuole in plant cell
Explanation:
Answer AND Explanation:
An atom is the smallest unit of matter that consist of three basic particles: protons, electrons, and neutrons. The nucleus which is at the center of the atom contains the protons that are positively charged and the neutrons that have no charge. The outermost regions of the atom are called electron shells and contain the electrons that are negatively charged and in constant motion.
the skeleton has been considered
Answer:
C.haploid
Explanation:
as the egg and the sperm carry half the number of chromosomes,just to differentiate the genetic material in two cells we call the egg and sperm as haploid and the fertilized cell as diploid, so the two can be easily differentiated.
<span>The correct answer is that when determining earth's history, scientists use radioactive isotopes to determine the absolute age of fossils and rocks and things like that. They see how things have decayed and changed over time and use these radioactive methods to determine things that happened before time measuring was invented.</span>