Answer:
In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air. In order to sustain plant life, the proper mix of air, water, minerals, and organic material is required. Humus, the organic material in soil, is composed of microorganisms (dead and alive) and decaying plants.
Explanation:
Teeth helps to make the food into small particles.Without make them small we can’t digest them and swallow properly.
Hence teeth is essential for digestion.This process takes in mouth.
Solution:
Two plants are crossed. One has the genotype Tt and the other has the genotype Tt. This means that both individuals are heterozygous.
According to this information, we obtain the following Punnett Square:
Answer: Option D nutrients
Explanation: at the onset of germination, nutrients is not needed for seed germination. A viable seed has all it it inside of it to grow. For seeds to grow in any environment, they need water, light in some cases, depth of seed planted,temperature in some cases, and oxygen. It is later in it's growth mostly one or 2 weeks that the plant start needing nutrient. Some food crops like vegetables needs nutrients mostly immediately or a day after germination has already occued.
Answer:
more than one.............
