Question

essay on
'my contribution to my country's space pprogram'
in 500 to 600 words​

Answer 1

Explanation:

In tissue: Plants. Primary dermal tissues, called epidermis, make up the outer layer of all plant organs (e.g., stems, roots, leaves, flowers). They help deter excess water loss and invasion by insects and microorganisms. The vascular tissues are of two kinds: water-transporting xylem and food-transporting phloem.