Question

how do weeds adversely affect desirable plants and crops? they actually help increase plant growth in desirable plants. they compete for sunlight, water, space and nutrients, ultimately decreasing desirable plant growth. they help keep other pests away from the desirable plants and crops. they add too much nitrogen and moisture to the soil.

Explanation:

Weeds are unwanted plants that grow alongside desirable plants and crops. They have a negative impact on the growth and development of these plants. Weeds compete with desirable plants for essential resources such as sunlight, water, space, and nutrients. This competition can lead to a decrease in the growth and yield of the desirable plants. Additionally, weeds can also harbor pests and diseases, which can further harm the desirable plants.

Answer:

They compete for sunlight, water, space and nutrients, ultimately decreasing desirable plant growth.