Explanation:
it is the diagram of an ovum or a human egg
A- follicle cells
B- zona pellucida
C- chromosomes
D- vitelline membrane
Answer:
science is the method of obtaining knowledge through observation and experimentation
Explanation:
4.B.-carrying out investigation
C-observing the natural world
The revolution of earth around the sun and the tilt of earth’s axis cause the changing of seasons. TRUE
<u>Explanation:</u>
Earth is slightly tilted at its axis. This causes a change in the amount of sunlight reaching each hemisphere. Due to the tilt one hemisphere will be closer to the sun while the other will be at a greater distance. When the earth revolves around the sun , the hemisphere that is closer to the sun changes.
The hemisphere closer to the sun will experience summer and the hemisphere away from the sun will experience winter.
Answer:
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.