The cell membrane for it controls what materials should enter in and out of the cell
Answer:
D. A bicycle rusting.
Explanation:
A. is incorrect because tearing a piece of paper is a physical change, not a chemical change.
B. is incorrect because we are just heating up the object. That only changes how fast the particles are moving and the change in state of matter.
C. is incorrect because we are adding heat to change a state of matter (from solid to liquid) and it is a physical change.
Therefore, only D. is the correct answer. Iron rusts, and when it does, it chemically changes into an iron oxide (rust).
C. Assuming the gametes for red flowering plant is heterozygous and the white is homozygous, it will be all pink
Grasses and Grains are pollinated by the wind. and a plant is a pollinated seed that grows. there is a difference. most grasses are pollinated by the wind once again monocotyledonous flowering plants. flowers are pollinated by bees flying insects and butterflies. flowering plants must get pollen from one flower to another flower. either within a plant for self pollination or between plants of the same species for cross-pollination to occur however Paul and cannot move on its own thank goodness she had the wind and animals in rare cases water move for plantsg it is called the pollination syndrome
