Development of the embryo begins at stage 1 when sperm fertilizes an oocyte and together they form a zygote. Human development begins after the union of male and female gametes or germ cells during a process known as fertilization (Conception).
Answer:
For block b to have a greater mass, it would have to have a greater gravitational force. Therefore, block B must have a greater gravitational force.
Explanation:
Worms, decomposers, predators.
Soil is made up of air, water, minerals and organic material and is one of the most important natural resources on earth. Most life on earth depends on soil as a direct or indirect source of food. Plants and animals source their nutrients from the soil and it is home to many different forms of life.
Answer:
D
Explanation:
All of the above are parts of the climate that could be subject to change.
