Answer:
2. have no negative particle
Explanation:
Helium atoms contains 2 neutrons and 2 protons (or 2 electrons). Thus, it has a mass number of 4 and atomic number of 2.
Alpha particles are heavy and positively charged, which make them to be deflected in a magnetic or electric charge. So, the helium atoms used as alpha particles for the gold foil experiment must have no negative particle.
Answer:
Human diploid cells have 23 pairs of chromosomes. Because of independent assortment during meiosis I, there are 223, or 8.4 million possible gametes that may be created even if crossing over didn't occur.
The correct answer for the question that is being presented above is this one: "FALSE." <span>Fires are important to savanna ecosystems but not grasslands. </span><span>Well this would be false, considering that savanna are the same as grasslands. More or less they are the same.</span>
Answer:
Photosynthesis
Explanation:
The diagram shows a picture of a plant cell. Plants produce most of their energy through photosynthesis. The arrows also show the major reactants and products of photosynthesis.
