25) when does the synaptonemal complex disappear? ; a) late prophase of meiosis i; b) during fertilization or fusion of gametes; c) early anaphase of meiosis i; d) mid-prophase of meiosis ii; e) late metaphase of meiosis ii

they have sperm in my gf's mouth

explanation:

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

during expiration the diaphragm relaxes, which causes the diaphragm to move downwards. the contraction of diaphragm increases the space for expansion of lungs. hence, the diaphragm relaxes and positioned downward during expiration.