A better understanding of the nutrient requirements of plants has made it possible to grow plants without soil. What is the name of this type of gardening?______
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We are constantly competing for our food! In the previous video segment, Dr. Schwarcz discussed a variety of ‘pests’ naturally found in the environment that affect agriculture. Match each type of ‘pest’ with their potential impact on the plants and crop.1.The crop is inedible and/or cannot be sold because a portion of the plant has been eaten.______ Fungi Weeds Insects - 未答复2.The fruit produced by the plant has cosmetic defects such as scabs or discoloration making the it difficult to sell and in some cases the will be destroyed.______ Fungi Weeds Insects - 未答复3.Crop production is lower because growth is affected if the plants are competing for nutrients in the soil.______ Fungi Weeds Insects - 未答复
PESTICIDES (3 满分)We are constantly competing for our food! In the previous video segment, Dr. Schwarcz discussed a variety of ‘pests’ naturally found in the environment that affect agriculture. Match each type of ‘pest’ with their potential impact on the plants and crop.The crop is inedible and/or cannot be sold because a portion of the plant has been eaten.______ Fungi Weeds Insects The fruit produced by the plant has cosmetic defects such as scabs or discoloration making the it difficult to sell and in some cases the will be destroyed.______ Fungi Weeds Insects - 未答复Crop production is lower because growth is affected if the plants are competing for nutrients in the soil.______ Fungi Weeds Insects - 未答复
TWO OPTION QUESTIONSThere are Seven (7) Two Options Questions.Instructions: For each of the statements listed below, please select one of the two options. Your total mark on each question is calculated from the number of statements you answer correctly. For example, if you answer 4 out of the 5 statements for a question correctly you will get 4/5 (80%) of the points allocated to that question.1. There are many misconceptions about vitamins. Please choose if the statements below are true or false.a. There are a total of twelve (12) B vitamins.
b. Chemical analysis of hair can be used to quantify an individual’s vitamin intake.