Answer:
Radioactive decay means the process by which unstable nucleus of an atom spontaneously releases energy through the emissions of radiation used in dating fossils and rocks.
Relative dating mean the time required for half the atoms in an element to divide in half.
Explanation:
So radioactive decay belongs to A.
And relative dating belongs to B.
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Answer:
c. radioactive decay
Explanation:
Radioactive decay refers to the natural breakdown of unstable elements or nucleus which lead to the release of energy or particles
And i got 100 on test
Answer:
a. Cells grow and develop during interphase. Cells reproduce during the mitotic phase.
Explanation:
Cell cycle refers to the series of processes that leads to the growth/development and division of a cell. The cell cycle uses MITOSIS for cell growth. Mitosis comprises of two distinct stages namely: INTERPHASE AND MITOTIC PHASE. The interphase is referred to as the resting phase of the cell in which the cell grows and develops.
On the other hand, MITOTIC PHASE is the stage where the actual division of the nucleus (karyokinesis) and cytoplasm (cytokinesis) generally called CELL DIVISION occurs. Therefore, the cell reproduces i.e. one cell forming two, in the mitotic phase.
D is your answer because of the way the ocean moves
Plants adapt in different ways depending on if they are submerged or floating. Floating plants feature a waxy upper surface, which helps to repel water. The upper surface also contains the chlorophyll needed for photosynthesis. Submerged plants employ a different water circulation system; instead of running water though stems, they absorb water and nutrients from the surrounding habitat. The roots of a submerged plant are primarily for anchorage and not for sourcing nutrients. This prevents them from being swept away by the currents.
The marine biome is the largest in the world, covering close to 70 percent of the earth's surface. It is also home to the most diverse collection of life: scientists have discovered over a million plant species living in this biome and estimate that there are still nine times this amount yet undiscovered. Many of the plants in this habitat rely on photosynthesis for nutrition. Algae is a particularly important plant, as it is responsible for the production of nearly half the oxygen on the planet.
