The correct answer is (a.) Its spindle-shaped cells allow it to do smooth muscles. The structure of the cardiac muscles which is spindle-shaped is very important for the heart to withstand the stretching of the muscles during the contractions. Also for its smooth surface which is very important to prevent any possible blood clot during circulation.
Heavy rain fall in a region means that the river will expand in size to accommodate the xtra h20. it reshapes the shore line. moving h20 over time can change the land features.
Amino Group, Carboxyl Group, and the R group
A. Without natural predators, the species may outcompete native species
Answer:
c. environmental factors such as soil pH
Explanation:
Hydrangea plants do exhibit or take on different forms of colors in reaction to environmental factors most especially, the soil pH.
Generally, Hydrangea plants will produce blue flowers if the soil pH level is below 6, while it would produce pink flowers if the pH of the soil is alkaline in nature (pH value is above 7).
The production of Hydrangea plants on the large flower garden, which produces blue flowers and pink flowers, can simply be explained to be as a result of the sensitivity to soil pH. This results in the change of the color of the flower pigment.
