The term is normally applied to a group of between six and nine elements (boron, silicon, germanium, arsenic, antimony, tellurium, and possibly bismuth, polonium, astatine) found near the center of the P-block or main block of the periodic table.
Answer:
Thick bark is the adaptation that enables deciduous trees to produce more food.
Deciduous trees are trees such as oak, maple, and hickory trees which lose their leaves for part of the year. Bark is an important part of a tree that protects the tree. The thick bark of the deciduous trees is composed of many layers and it provides the tree with the necessary nutrients and moisture it needs for its growth.
Answer:
Cell division occurs during M phase, which consists of nuclear division (mitosis) followed by cytoplasmic division (cytokinesis). The DNA is replicated in the preceding S phase; the two copies of each replicated chromosome (called sister chromatids) remain glued together by cohesins.
Explanation:
Answer:
2000 km/s
Explanation:
the formula for speed is speed=distance/time, this is the formula that should be used here. 50,000/25, which equals 2,000
