Plant requires seed dispersal for reproduction, and through reproduction, the parents transmit genes to the offspring. Given these facts, what mechanism do plants use to produce offspring among the following options: - competition - by indirect light - circulatory systems - seed dispersal - genetic material - In chromosomes - mutations - Organic compounds
seed dispersal

(Question)
Plants that shed their leaves seasonally each year are called deciduous plants, and lemmons willow is a deciduous shrub. Given these facts, plants that shed their leaves seasonally each year include what among the following options: - epidermis and dermis - heat energy - energy usage - bioaerosols - Exfoliation - Organic compounds - lemmons willow - Greenhouse gasses
(Answer)
lemmons willow

Ques: Arteries generally carry oxygen-rich blood, and smoking constricts arteries and increases clotting to block arteries. Given these facts, smoking will decrease the flow of what in the body among the following options: - oxygen-rich blood - blood clots - preventing heat transfer - heat energy - electric current - all liquids - layers of fat - ashes
Ans: oxygen-rich blood

(Q).
Most canyons are formed by flowing rivers through erosion over long periods of time, and rivers contain 0.001 percent of the earth's water. Given these facts, what are most canyons caused by among the following options: - erosion - Physical weathering - magic - Freezing temperature - Flowing water - ice wedging - Flowing gas - flooding
(A).
Flowing water

Ques:Astem is used to store water by some plants, and every plant and animal needs water to survive. Given these facts, what do some plants need to survive among the following options: - stem - oxygen - reading - overexposure - books - sodium - Water - Sun

Ans:stem

Ques:Landfills have a negative impact on the environment, and landfill leachates and groundwater contamination. Given these facts, what have a negative impact on the environment among the following options: - harmful substances - groundwater contamination - harvesting - fish - major threat to health - Sulfur dioxide - storms - Greenhouse gases

Ans:
groundwater contamination