Answer:
throughout the year, the earth tilts. This causes the north pole to be the closest to the sun half the year and the south pole to be the closest to the sun the other half.
Explanation:
Answer no 1:
The part labelled A is the upper epidermis . The main function of the epidermis is to protect the structure of the leaf.
The part labelled B is palisade tissues. These are the sites where the chlorophyll are present.
The part labelled C are the air spaces in the spongy mesophyll tissue. They allow carbon dioxide to move freely.
The part labelled D are the vascular tissues which transport water and food.
Answer No 20:
The correct option is B) Most of the carbohydrates are made in the palisade mesophyll.
The palisade mesophyll comprises of chloroplast which are the sites where photosynthesis takes place. Hence, these will be the sites where carbohydrates will be manufactured.
Answer No 21)
The correct option is A) upper epidermis
As upper epidermis is the first layer of leaf, sunlight will enter through it and be trapped by the chlorophyll present in the palisade mesophyll cells.
Answer:
During any pandemic, government can make people aware about that pandemic and can provide the necessary things like shelter, food etc. to poor people. Government can also help people by money.
Answer: robotic structures will truly give a sense of invincibility to people. Might even perform lab tests without the intervention of humans.There are good reasons for engineers to develop medical robots for use in healthcare. Unlike human beings, robots are tireless, and their "hands" never shake. They can perform precise movements even beyond the human range of motion and be present with patients for as long as necessary. Plus, they can automate lower-level or repetitive tasks and leave the high-level work to humans.
Explanation:
