Design speeds for frontage roads are a factor in the design of the roadway. For consistency, design speeds should be used that match values used for collector streets or highways. For urban frontage roads, the desirable design speed is 50 mph [80 km/h] and the minimum design speed is 30 mph [50 km/h].
Different plants reproduce in different ways. Some plants reproduce asexually, others do use a type of sexual reproduction. Flowering plants in particular reproduce both sexua â¦ lly and asexually. Reproduction in flowering plants involves the production of gametes, the transfer of the male gametes to the female ovules is through pollen.
Confidence votes 77. A flower is a small plant that contains pollen, nectar, and usually petals. They can only grow in mild conditions and die out during the winter seasons. Flowers are the reproductive organs of the plant.After they are pollnated, they'll grow their seeds and drop their petals, The seeds will grow and be ready to travel. flower is a small plant that contains pollen, nectar, and usually petals.