Answer:
When respiration occurs without oxygen, lactic acid is produced. Answer is A.
The lymph vessel flows from the tissue to the lymph nodes, flow to the largest lymphatic vessel in the thorax called thoracic duct, then drain to the subclavian vein.
The lymphatic vessel is a thin tubular organ made of the endothelial cell. It has a valve like the vein to prevent backflow of lymph. Lymphatic vessel delivers the lymph through the body and has a role in the immune system.
Mass of block steel = 0.8*7.84= 6.272kg
Weight= 6.272kg*10N/kg= 62.72N
Answer:
Explanation:
Deciduous and Coniferous trees are both Woody plants and can both be found in the forest, but there are significant differences between them including-
1) The leaves of deciduous trees change color and are shed seasonally while the needles of Coniferous trees are not lost seasonally, neither do they turn pale
2) Deciduous trees are flowering plants and so they bear their seeds in fruits while Coniferous trees are gymnosperms and so bear their seeds in cones.
3) Coniferous trees possess needles in lieu of leaves while deciduous trees possess broad leaves
4) Examples of Coniferous trees are firs, junipers, redwoods, spruces, and pines etc. while examples of deciduous trees are oak, maple, and elm etc.
Answer:
E. Variations in Earth's orbit occur gradually over 100,000 years.
