Answer:
A. to conserve soil nutrients
Explanation:
Crop rotation helps to maintain soil structure and nutrient levels. If you don't rotate crops, the soil in that field will inevitably begin to lose the nutrients plants need to grow.
In an ecosystem, two factors are being classified which are the abiotic and the biotic factors. Both of these factors play an important role in order to balance the ecosystem and maintain the harmony of the living things therein. The environment includes the abiotic factors which are the sunlight, weather, water, air, and all other factors which are not living but contribute to the growth and development of the living ones. For example, plants cannot live without water, sunlight and carbon dioxide. The effects that humans have on the environment is both good and bad. Humans also play an important role in maintaining the environment, and they also have the capability to endanger it.
<span>Sclerenchyma cells are the strongest. They have a second cell wallwhich is hardened by lignin, making them very tough and durable.</span>
Diffusion is the movement of substances from high to low concentration
osmosis is the diffusion of water through a semipermeable membrane from high to low water concentration
Answer:
in spanish - Una opinión es una declaración que describe una creencia o pensamiento personal que no puede ser probado (o no ha sido probado) y no está respaldado por evidencia. ... Las teorías no se describen como verdaderas o correctas, sino como la explicación mejor sustentada del mundo basada en la evidencia.
Explanation:
i engliash -An opinion is a statement describing a personal belief or thought that cannot be tested (or has not been tested) and is unsupported by evidence. ... Theories are not described as true or right, but as the best-supported explanation of the world based on evidence.
